"uuid","repository link","title","author","contributor","publication year","abstract","subject topic","language","publication type","publisher","isbn","issn","patent","patent status","bibliographic note","access restriction","embargo date","faculty","department","research group","programme","project","coordinates"
"uuid:137cf0b5-c5f4-4f53-afc5-2e934c6e81a4","http://resolver.tudelft.nl/uuid:137cf0b5-c5f4-4f53-afc5-2e934c6e81a4","The reciprocity of data integration in disaster risk analysis","Paulus, D. (TU Delft Policy Analysis); Meesters, K.J.M.G. (TU Delft Policy Analysis); de Vries, G. (TU Delft Organisation and Governance); van de Walle, B.A. (TU Delft Multi Actor Systems)","","2019","Humanitarian organizations are increasingly challenged by the amount of data available to drive their decisions. Useful data can come from many sources, exists in different formats, and merging it into a basis for analysis and planning often exceeds organizations’ capacities and resources. At the same time, affected communities’ participation in decision making processes is often hindered by a lack of information and data literacy capacities within the communities. We describe a participatory disaster risk analysis project in the central Philippines where the community and a humanitarian NGO worked towards a joint understanding of disaster risks and coping capacities through data integration and IT-supported analysis. We present findings from workshops, focus group discussions and semi-structured interviews, showing the reciprocal effects of the collaborative work. While the community valued the systematically gathered and structured evidence that supported their own risk perceptions and advocacy efforts, the humanitarian NGO revisited established work practices for data collection for analysis and planning.","Reciprocity; Resilience; Disaster risk analysis; Community engagement; Organizational effectiveness; Data integration","en","conference paper","ISCRAM","","","","","","","","","","","","",""
"uuid:88889583-92dc-4649-8f39-c283e4707ed6","http://resolver.tudelft.nl/uuid:88889583-92dc-4649-8f39-c283e4707ed6","A positive Shift in the Public Acceptability of a Low-Carbon Energy Project After Implementation: The Case of a Hydrogen Fuel Station","Huijts, N.M.A. (TU Delft Ethics & Philosophy of Technology); de Vries, G. (TU Delft Organisation and Governance); Molin, E.J.E. (TU Delft Transport and Logistics)","","2019","Public acceptability of low-carbon energy projects is often measured with one-off polls. This implies that opinion-shifts over time are not always taken into consideration by decision makers relying on these polls. Observations have given the impression that public acceptability of energy projects increases after implementation. However, this positive shift over time has not yet been systematically studied and is not yet understood very well. This paper aims to fill this gap. Based on two psychological mechanisms, loss aversion and cognitive dissonance reduction, we hypothesize that specifically people who live in proximity of a risky low-carbon technology—a hydrogen fuel station (HFS) in this case—evaluate this technology as more positive after its implementation than before. We conducted a survey among Dutch citizen living nearby a HFS and indeed found a positive shift in the overall evaluation of HFS after implementation. We also found that the benefits weighed stronger and the risks weaker after the implementation. This shift did not occur for citizens living further away from the HFS. The perceived risks and benefits did not significantly change after implementation, neither for citizens living in proximity, nor for citizens living further away. The societal implications of the findings are discussed.","public acceptability; risk perception; loss aversion; cognitive dissonance reduction; hydrogen","en","journal article","","","","","","","","","","","","","",""
"uuid:a536ba72-441e-42fb-803f-a762a9c25c07","http://resolver.tudelft.nl/uuid:a536ba72-441e-42fb-803f-a762a9c25c07","Superconducting quantum interference in semiconducting Josephson junctions","de Vries, F.K. (TU Delft TQC/Goswami Lab)","Kouwenhoven, Leo P. (promotor); Goswami, S. (copromotor); Delft University of Technology (degree granting institution)","2019","A topological superconductor is a new state of matter that attract a lot of interest for its potential application in quantum computers. However, there is no single material known to host this state of matter. In this thesis, combinations of superconductors and semiconductors are investigated experimentally with the goal to engineer such a topological superconductor. The materials chosen combine spin-orbit interaction, superconductivity and onedimensionality. Then, under influence of a magnetic field, the hybrid superconductor semiconductor system is predicted to become topological.First, the theoretical background of the experiments is presented, with special attention to the superconducting quantum interference in semiconducting Josephson junctions. In addition, a description of the different materials used and the fabrication of the devices, is provided.In the first experiment we explore hole transport through GeSi core-shell nanowires. Electronic measurements reveal two transport channels only, which underlines the onedimensionality of the nanowire. On top of that, high-quality induced superconductivity is observed in both the tunneling and open regime, and evidence for strong spin-orbit interaction is presented. Then, we switch materials to a two-dimensional electron and hole gas in an InAs/GaSb double quantum well. The spin-orbit interaction is studied by measuring the difference between the densities of electrons with opposite spin orientation. Two types of spin-orbit interaction are identified by tuning the magnitude of one of them, with an applied electric field.InAs quantum wells are known to exhibit enhanced conduction at their edges. We find supercurrent through these edges in Josephson junction devices using superconducting quantum interference measurements. The interference pattern reveals a flux periodicity of h/e. Interestingly, while this periodicity is observed in the trivial regime, it was considered a signature of topological superconductivity before. We argue and show that nonlocal processes lead to the h/e effect in our devices. The correlated occurence of enhanced edge conduction and the h/e periodicity is confirmed in Josephson junctions made of InSb flakes.The final experimental chapter considers a superconducting quantum interference device, fabricated in an InAs quantum well. This geometry allows for control of the superconducting phase difference of the Josephson junction, potentially reducing the magnetic field needed for the device to become topological. Unfortunately, in the measurements we do not observe signatures of topological superconductivity.At last, we describe what device geometry and material combination could be used to do reach the topological regime. In addition, we discuss ideas for future research of the othermaterial systems used in this thesis.","","en","doctoral thesis","","9789085933847","","","","","","","","","","","",""
"uuid:32c3c7a2-7fe1-40b2-86fe-e18df25e974d","http://resolver.tudelft.nl/uuid:32c3c7a2-7fe1-40b2-86fe-e18df25e974d","Simulating spatiotemporal aeolian sediment supply at a mega nourishment","Hoonhout, B.M. (TU Delft Coastal Engineering; Van Oord); de Vries, S. (TU Delft Coastal Engineering)","","2019","Mega nourishments are a novel approach to stimulating coastal safety and resilience. Mega nourishments are intended to spread along the coast on a decadal time scale by natural sediment transport processes with a minimum of intrusion into the natural coastal system. The supratidal morphodynamic behaviour of mega nourishments is not well understood due to complexities introduced by limitations in sediment availability to aeolian sediment transport. Consequently, the effectiveness of mega nourishments to stimulate coastal safety and to influence coastal landscape and habitat development remains unknown. In this paper we present a detailed 4-year hindcast of the morphological development of the Sand Motor mega nourishment in The Netherlands. We use the aeolian sediment transport and availability model AEOLIS that focuses specifically on the simulation of spatiotemporal variations in sediment availability. The model includes the recurrence relation between sediment availability and aeolian sediment transport through self-grading and beach armoring. We show that the model is able to reproduce multi-annual aeolian sediment transport rates in the Sand Motor domain in the four years after its construction. The RMSE is 3⋅104m3 (7% of the total sediment accumulation) and R2 is 0.93 when comparing timeseries of total sediment accumulation in the dunes, dune lake and lagoon. The combination of spatial and temporal variations in aeolian sediment availability, due to the combined influence of soil moisture, sediment sorting and beach armoring, is essential for an accurate estimate of the total sedimentation volume. The simulated feedback between aeolian sediment availability and transport is required for accurately describing compartmentalization of the beach and locating the aeolian sediment source areas in the Sand Motor domain.","Aeolian sediment supply; aeolian sediment transport; Aeolis; Beach armoring; Mega nourishment; Numerical model; Sand motor","en","journal article","","","","","","Accepted Author Manuscript","","2020-12-28","","","","","",""
"uuid:f2e4e6c3-3bb7-4c34-9e0c-327897a4958e","http://resolver.tudelft.nl/uuid:f2e4e6c3-3bb7-4c34-9e0c-327897a4958e","Alleviation of Propeller-slipstream-induced unsteady pylon loading by a flow-permeable leading edge","Sinnige, T. (TU Delft Flight Performance and Propulsion); della Corte, B. (TU Delft Flight Performance and Propulsion); de Vries, R. (TU Delft Flight Performance and Propulsion); Avallone, F. (TU Delft Wind Energy); Merino Martinez, R. (TU Delft Aircraft Noise and Climate Effects); Ragni, D. (TU Delft Wind Energy); Eitelberg, G. (TU Delft Flight Performance and Propulsion); Veldhuis, L.L.M. (TU Delft Flight Performance and Propulsion)","","2019","The impingement of a propeller slipstream on a downstream surface causes unsteady loading, which may lead to vibrations responsible for structure-borne noise. A low-speed wind-tunnel experiment was performed to quantify the potential of a flow-permeable leading edge to alleviate the slipstream-induced unsteady loading. For this purpose, a tractor propeller was installed at the tip of a pylon featuring a replaceable leading-edge insert in the region of slipstream impingement. Tests were carried out with four flow-permeable inserts, with different hole diameters and cavity depths, and a baseline solid insert. Particle-image-velocimetry measurements showed that the flow through the permeable surface caused an increase in boundary-layer thickness on the pylon's suction side. This led to a local drag increase and reduced lift, especially for angles of attack above 6 deg. Furthermore, it amplified the viscous interaction with the propeller tip-vortex cores, reducing the velocity fluctuations near the pylon surface by up to 35%. Consequently, lower tonal noise emissions from the pylon were measured in the far field. This suggests that the desired reduction in surface pressure fluctuations was achieved by application of the flow-permeable leading edge.","","en","journal article","","","","","","Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.","","","","","","","",""
"uuid:53fcf3c4-055d-4ae7-85e9-77e2949ca091","http://resolver.tudelft.nl/uuid:53fcf3c4-055d-4ae7-85e9-77e2949ca091","The Estimation and Evaluation of Shoreline Locations, Shoreline-Change Rates, and Coastal Volume Changes Derived from Landsat Images","Do, T.K.A. (TU Delft Coastal Engineering; University of Science and Technology - the University of Danang); de Vries, S. (TU Delft Coastal Engineering); Stive, M.J.F. (TU Delft Coastal Engineering)","","2019","Shoreline-change data are of primary importance for understanding coastal erosion and deposition as well as for studying coastal morphodynamics. Shoreline extraction from satellite images has been used as a low-cost alternative and as an addition to traditional methods. In this work, satellite-derived shorelines and corresponding shoreline-change rates and changes in volumes of coastal sediments have been estimated and evaluated for the case of the data-rich North-Holland coast. This coast is globally unique for its long in situ monitoring record and provides a perfect case to evaluate the potential of shoreline mapping techniques. A total of 13 Landsat images and 233 observed cross-shore profiles (from the JAaRlijkse KUStmeting [JARKUS] database) between 1985 and 2010 have been used in this study. Satellite-derived shorelines are found to be biased in seaward direction relative to the JARKUS-derived shorelines, with an average ranging 8 m to 9 m over 25 years. Shoreline-change rates have been estimated using time series of satellite-derived shorelines and applying linear regression. The satellite-derived shoreline-change rates show a high correlation coefficient (R2> 0.78) when compared with the JARKUS-derived shoreline-change rates over a period of 20 and 25 years. Volume changes were calculated from the satellite-derived shoreline-change rates using assumptions defining a closure depth. Satellite-derived volume changes also show a good agreement with JARKUS-based values. Satellite-derived shorelines compare better with in situ data on beaches that have intertidal zone widths ranging from one- to two-pixel sizes (30 m-60 m). The results show that the use of Landsat images for deriving shorelines, shoreline-change rates, and volume changes have accuracies comparable to observed JARKUS-based values when considering decadal scales of measurements. This shows the potential of applying Landsat images to monitor shoreline change and coastal volume change over decades.","coastal volume changes; Landsat images; shoreline-change rate; shoreline-position uncertainty","en","journal article","","","","","","","","","","","","","",""
"uuid:3ea6e669-6f0b-4b60-8d21-fa96dec7f9c9","http://resolver.tudelft.nl/uuid:3ea6e669-6f0b-4b60-8d21-fa96dec7f9c9","Mapping the Sandy Beach Evolution Around Seaports at the Scale of the African Continent","de Boer, W.P. (TU Delft Rivers, Ports, Waterways and Dredging Engineering; Deltares); Mao, Yongjing (University of Queensland); Hagenaars, Gerben (Deltares); de Vries, S. (TU Delft Coastal Engineering); Slinger, J (TU Delft Policy Analysis; Institute for Water Research, Rhodes University); Vellinga, T. (TU Delft Rivers, Ports, Waterways and Dredging Engineering)","","2019","In Africa, several new seaport developments are being considered. In sedimentary environments, such port developments can have adverse impacts on the evolution of adjacent coastlines. To learn from past port engineering practice, we created a unique database containing the coastline evolution and characteristics of 130 existing African seaports. Whereas the systematic mapping of coastal impacts was previously hampered by data availability, innovative automated satellite image processing techniques have enabled us to intercompare ports at an unprecedented continental scale. We found large geographical differences with respect to the beach evolution. The total detected changes in the beach area between 1984 and 2018 totaled 44 km2, of which ca. 23 km2 is accretion and ca. 21 km2 is erosion. The top 10% “hotspot” ports account for more than 65% of these changes. These hotspots exhibit common characteristics, namely: they are located on open coastlines, have large alongshore sediment transport potential, and have large cross-shore breakwaters. Although these driving characteristics are well established in coastal engineering theory, our results indicate that the beaches adjacent to the existing seaports have been and remain seriously affected by these drivers. Our results can be used to inform beach maintenance strategies for existing seaports and to support planners and engineers to minimize long-term coastal impacts of port expansions and new port developments in Africa in the future.recharge on the growth of a fresh groundwater lens between 2011 and 2016. Measurements of the morphological change and the tidal dynamics at the study site were incorporated in a calibrated three-dimensional and variabledensitygroundwater model of the study area. Simulations with this model showed that the detailed incorporation of both the local hydro- and morphodynamics and the actual recharge rate can result in a reliable reconstruction of the growth in fresh groundwater resources. In contrast, the neglect of tidal dynamics, land-surface inundations, and morphological changes in model simulations can result in considerable overestimations of the volume of fresh groundwater. In particular, wave runup and coinciding coastal erosion during storm surges limit the growth in fresh groundwater resources in dynamic coastal environments, and should be considered at potential nourishment sites to delineate the area that is vulnerable to salinization.","","en","journal article","","","","","","","","","","","Coastal Engineering","","",""
"uuid:36c6755e-7b6d-4fa2-92b6-4cc6a695dadf","http://resolver.tudelft.nl/uuid:36c6755e-7b6d-4fa2-92b6-4cc6a695dadf","Creativity in co-Design for Physical Education: Comparing Contributions of Children and Professionals","Mast, Danića (The Hague University of Applied Sciences); Schipper, Sylvia (The Hague University of Applied Sciences); van Doorn, F.A.P. (TU Delft Design Conceptualization and Communication; The Hague University of Applied Sciences); Schut, A. (TU Delft Science Education and Communication); Gielen, M.A. (TU Delft Design Conceptualization and Communication); de Vries, Sanne (The Hague University of Applied Sciences)","Brooks, Anthony (editor); Brooks, Eva (editor); Vidakis, Nikolas (editor)","2018","This study is carried out within the context of a research and innovationproject Co-design with Kids that aims to support teaching of broad so-called ‘21stcentury’ skills. In this project, design toolboxes for use within primary educationare developed and studied, with real life clients and assignments. In the casedescribed in this paper, the assignment was to create new concepts for physicaleducation (PE). To be able to assess the value of design outcomes created in aco-design trajectory by children, we compared their design outcomes to thosecreated in a similar design process by professionals. Six teams of children (n=21,11-12 years old) and three teams of professionals (n=10, with a background indesign, sports or physical education) developed concepts in separate co-creationsessions. We present a first assessment of the differences and similarities increativity of the design outcomes of the two groups. This assessment of textualsummaries shows no remarkable differences between design outcomes ofchildren and those of professionals in terms of elaboration, originality andrelevance. This indicates that children could be involved as design partners.Further research is needed to gain insight into the specific value of involvingchildren as design partners.","Co-design; Physical Education; Children; Professionals; Co-creation","en","conference paper","Springer","978-3-319-76907-3","","","","Accepted author manuscript","","","","","","","",""
"uuid:eba728f9-492a-42c1-a379-5617f5f8c563","http://resolver.tudelft.nl/uuid:eba728f9-492a-42c1-a379-5617f5f8c563","Fatigue behaviour of a welded I-section under a concentrated compression (wheel) load","Wardenier, J. (TU Delft Steel & Composite Structures; National University of Singapore); de Vries, P.A. (TU Delft Steel & Composite Structures); Timmerman, Gerrit (PT Structural Design & Analysis B.V.)","","2018","This paper deals with the evaluation of fatigue cracks under a concentrated compression (wheel) load in an I-section with full penetration welds between the web and flange. The objective is to investigate whether cracks stop or nearly stop when they have grown through the residual tensile stress field. These experimental investigations are part of a review of a crane runway girder where after 20 years of service fatigue cracks were observed in the flange at the toe of the full penetration weld. The fatigue analysis of the actual crane runway girder is described in (Wardenier et al., 2017). The fatigue tests under a concentrated wheel compression loading show that, for the specimens considered on a scale of about 1:2 with stiffeners at one side, the cracks only initiate and grow at the non-stiffened side to about 50 to 60% of the web thickness and then stop. Based only on the nominal stress range under the wheel, determined according to EN 1993-6 and neglecting the shear stress effect, an equivalent fatigue class of about 160 N/mm2 was found for crack initiation in the web, whereas the minimum ratio in life between visually observed crack initiation and maximum crack length was about a factor 3. Comparison of the codes for a wheel loading in compression shows large discrepancies in effective width and fatigue classes to be used.","Compression load; Crack growth; Crane runway girder; Fatigue; Fatigue cracks; Residual tensile stresses","en","journal article","","","","","","","","2019-11-05","","","","","",""
"uuid:f83c0000-e209-48ff-9673-e8edeaf900cf","http://resolver.tudelft.nl/uuid:f83c0000-e209-48ff-9673-e8edeaf900cf","On the accuracy of automated shoreline detection derived from satellite imagery: A case study of the Sand Motor mega-scale nourishment","Hagenaars, Gerben (Deltares); de Vries, S. (TU Delft Coastal Engineering); Luijendijk, A.P. (TU Delft Coastal Engineering; Deltares); de Boer, W.P. (TU Delft Rivers, Ports, Waterways and Dredging Engineering; Deltares); Reniers, A.J.H.M. (TU Delft Environmental Fluid Mechanics)","","2018","Measured trends and variability in shoreline position are used by coastal managers, scientists and engineers to understand and monitor coastal systems. This paper presents a new and generic method for automated shoreline detection from the largely unexplored collection of publicly available satellite imagery. The position of the obtained Satellite Derived Shoreline (SDS) is tested for accuracy for 143 images against high resolution in-situ data along a coastal stretch near the Sand Motor, a well-documented mega-scale nourishment along the Dutch coast. In this assessment, we quantify the effects of potential inaccuracy drivers such as the presence of clouds and wave-induced foam. The overall aim of this study is to verify whether the SDS is suitable to study structural coastline trends for coastal engineering practice.

In the ideal case of a cloud free satellite image without the presence of waves, with limited morphological changes between the time of image acquisition and the date of the in-situ measurement, the accuracy of the SDS is with subpixel precision (smaller than 10–30 m, depending on the satellite mission) and depends on intertidal beach slope and image pixel resolution. For the highest resolution images we find an average offset of 1 m between the SDS position and the in-situ shoreline in the considered domain. The accuracy deteriorates in the presence of clouds and/or waves on the image, satellite sensor corrections and georeferencing errors. The case study showed that especially the presence of clouds can lead to a considerable seaward offset of the SDS of multiple pixels (e.g. order 200 m). Wave-induced foam results in seaward offsets in the order of 40 m.

These effects can largely be overcome by creating composite images, which results in a continuous dataset with subpixel precision (10–30 m, depending on the satellite mission). This implies that structural trends can be detected for coastlines that have changed with at least the pixel resolution within the considered timespan.

Given the accuracy of composite images along the Sand Motor in combination with the worldwide availability of public satellite imagery covering the last decades, this technique can potentially be applied at other locations with large (structural) coastline trends.Some of the main issues are: occlusion, distortion, unbounded volumes, perception of position, size and shape of an object. For orientation purposes, it is important to include reference objects to help us understand the location of the parcels in the real world. Although, the resulting higher number of objects makes the clear visualization even more challenging.We therefore first investigate the requirements to obtain a proper, clear and not misleading visualisation of 3D cadastral parcels through a geo-web viewer. We explore how to handle the above-mentioned issues such as occlusion, distortion and ambiguous perception (in terms of position, size and shape) of objects while interacting with 3D cadastre. Also, techniques for combining the visualization of legal boundaries (cadastral parcels) and real-world objects (topography) are analysed.The overall technical architecture of a system for the dissemination 3D Cadastral parcels is presented, starting with the storage of the data at the backend server (DBMS and webserver) and the possible encodings for data transfer (such as XML, JSON, glTF) to the client. WebGL based solutions at client side are preferred as these do not require the download of a plugin in the web browser, while still offering many well performing visualization and interaction options.","","en","conference paper","International Federation of Surveyors (FIG)","978-87-92853-78-3","","","","","","","","","","","",""
"uuid:fd47c799-c03f-4018-9653-a1463ba93534","http://resolver.tudelft.nl/uuid:fd47c799-c03f-4018-9653-a1463ba93534","3D Cadastres Best Practices, Chapter 5: Visualization and New Opportunities","Pouliot, Jacynthe (Université Laval); Ellul, Claire (University College London (UCL)); Hubert, Frederic (Université Laval); Wang, Chen (Anhui University); Rajabifard, Abbas (University of Melbourne); Kalantari, Mohsen (University of Melbourne); Shojaei, Davood (Land Use Victoria); Atazadeh, Behnam (University of Melbourne); van Oosterom, P.J.M. (TU Delft OLD Department of GIS Technology); de Vries, M.E. (TU Delft OLD Department of GIS Technology); Ying, Shen (Wuhan University)","","2018","This paper proposes a discussion on opportunities offered by 3D visualization to improve the understanding and the analysis of cadastre data. It first introduce the rationale of having 3D visualization functionalities in the context of cadastre applications. Second the publication outline some basic concepts in 3D visualization. This section specially addresses the visualization pipeline as a driven classification schema to understand the steps leading to 3D visualization. In this section is also presented a brief review of current 3D standards and technologies. Next is proposed a summary of progress made in the last years in 3D cadastral visualization. For instance, user’s requirement, data and semiotics, and platforms are highlighted as main actions performed in the development of 3D cadastre visualization. This review could be perceived as an attempt to structure and emphasise the best practices in the domain of 3D cadastre visualization and as an inventory of issues that still need to be tackled. Finally, by providing a review on advances and trends in 3D visualization, the paper initiates a discussion and a critical analysis on the benefit of applying these new developments to cadastre domain. This final section discusses about enhancing 3D techniques as dynamic transparency and cutaway, 3D generalization, 3D visibility model, 3D annotation, 3D data and web platform, augmented reality, immersive virtual environment, 3D gaming, interaction techniques and time.","3D Cadastral Visualization; Users; User Requirements; Usability; Modelling; Presenting Information; 3D Environments; Interaction","en","conference paper","International Federation of Surveyors (FIG)","978-87-92853-78-3","","","","","","","","","","","",""
"uuid:e20c045c-ada8-4f78-a423-d25d4cc138a6","http://resolver.tudelft.nl/uuid:e20c045c-ada8-4f78-a423-d25d4cc138a6","Developing an LADM Compliant Dissemination and Visualization System for 3D Spatial Units","Thompson, R.J. (TU Delft OLD Department of GIS Technology); van Oosterom, P.J.M. (TU Delft OLD Department of GIS Technology); Cemellini, Barbara (Student TU Delft); de Vries, M.E. (TU Delft OLD Department of GIS Technology)","Lemmen, C. (editor); van Oosterom, P. (editor); Fendel, E. (editor)","2018","This paper describes research into the visualization of mixed 2D and 3D Cadastre. A schema has been developed to accommodate this data, with provision for a time component. This paper describes the schema, the visualization requirements, and the provision of LADMcompatible views of the data for the purpose of developing these tools, and for the furtherresearch into the schema itself. A significant volume of 2D+t Cadastral data, which also contained 2D+t representations of 3D parcels, is currently incorporated in the Cadastral Database of Queensland. A moderate number of 3D building units, and a smaller number of volumetric parcels have been hand-encoded using bespoke software, and added to this database. The mixture has been displayed in KML through Google Earth. Examples of the database schemas, the encoding practices, LADM-compatible views, and the encoded 2 and 3 dimensional spatial units are included.","3D Cadastre; 3D Visualization; 3D Spatial Data; Data Capture","en","conference paper","FIG (International Federation of Surveyors)","978-87-92853-68-4","","","","","","","","","","","",""
"uuid:9b6d9619-eb6b-4426-87e9-648d4696aea8","http://resolver.tudelft.nl/uuid:9b6d9619-eb6b-4426-87e9-648d4696aea8","Aerodynamic investigation of an over-the-wing propeller for distributed propulsion","Marcus, E. A.P.; de Vries, R. (TU Delft Flight Performance and Propulsion); Raju Kulkarni, A. (TU Delft Flight Performance and Propulsion); Veldhuis, L.L.M. (TU Delft Flight Performance and Propulsion)","","2018","This paper addresses the aerodynamic performance and numerical modeling of over-the-wing propellers. Installing the propeller above a wing has the potential to increase wing lift-to-drag ratio, high-lift capabilities, and to reduce flyover noise. However, the prediction of its performance is difficult, since research on the aerodynamic interaction effects of over-the-wing propellers has been limited so far. For this reason, an exploratory wind tunnel campaign was performed with a wing featuring a fowler flap. A single propeller was installed above the wing at different chordwise locations and inclination angles. Wing surface-pressure and wake-pressure measurements showed strong, bilateral aerodynamic coupling between the propeller and wing. A configuration with the propeller attached to the flap showed wing lift increases of 8% and 3% in cruise and high-lift conditions, respectively. The key findings of the wind tunnel campaign were used to validate a low-fidelity numerical tool, which combines a non-uniform inflow blade-element model for the propeller, a panel method for the wing, and a vortex lattice model for the propeller slipstream. The numerical model was used to assess the effect of propeller axial location and diameter. Results indicated that the optimal axial propeller position is near the trailing edge of the wing, and that reducing the propeller diameter at constant thrust coefficient at this location is beneficial for distributed propulsion applications. The tool allows a rapid computation of over-the-wing propeller and wing performance in cruise conditions. This enables an efficient design space exploration during the conceptual design process of such configurations.","","en","conference paper","AIAA","9781624105241","","","","","","2019-08-01","","","","","",""
"uuid:ac6df244-1aa1-4210-a7a6-5d23a5057387","http://resolver.tudelft.nl/uuid:ac6df244-1aa1-4210-a7a6-5d23a5057387","Electricity Market for Direct Current Distribution Systems: Exploring the Design Space","Piao, L. (TU Delft Algorithmics; TU Delft Energy & Industry); de Vries, Laurens (TU Delft Energy & Industry); de Weerdt, M.M. (TU Delft Algorithmics); Yorke-Smith, N. (TU Delft Algorithmics; Olayan School of Business, American University of Beirut)","","2018","Direct current distribution systems (DCDS), which connect local prosumers directly to community grids without AC/DC conversions, are a promising alternative to AC systems. While regulations call for market-based operation, existing markets for AC systems do not meet DC requirements and cannot be applied to a DCDS. This paper develops a design framework for local electricity markets and with it explores possible DCDS market designs. We review the technical requirements and desired properties for DCDS operation, enumerate its market design goals, then identify the design variables influencing the short-term market efficiency. This paper is our first step towards a systematic DCDS market design, and it supports our future work on quantitative analysis of the design choices.","electricity market design; direct current; distribution system; design space; flexibility","en","conference paper","IEEE","978-1-5386-1488-4","","","","Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.","","2019-03-24","","","","","",""
"uuid:c9be5754-479e-49eb-8d6f-e2d186291316","http://resolver.tudelft.nl/uuid:c9be5754-479e-49eb-8d6f-e2d186291316","H /e Superconducting Quantum Interference through Trivial Edge States in InAs","de Vries, F.K. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Timmerman, Tom (Student TU Delft; Kavli institute of nanoscience Delft); Ostroukh, Viacheslav P. (Leiden University); van Veen, J. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Beukman, A.J.A. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Qu, F. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Wimmer, M.T. (TU Delft TQC/Wimmer Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Kiselev, Andrey A. (HRL Laboratories); Kouwenhoven, Leo P. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Microsoft Station Q Delft; Kavli institute of nanoscience Delft); More Authors (Extern)","","2018","Josephson junctions defined in strong spin orbit semiconductors are highly interesting for the search for topological systems. However, next to topological edge states that emerge in a sufficient magnetic field, trivial edge states can also occur. We study the trivial edge states with superconducting quantum interference measurements on nontopological InAs Josephson junctions. We observe a SQUID pattern, an indication of superconducting edge transport. Also, a remarkable h/e SQUID signal is observed that, as we find, stems from crossed Andreev states.","","en","journal article","","","","","","","","","","","","","",""
"uuid:dcac7bfe-3c14-40e0-8ba8-d7d0ac9e5c6b","http://resolver.tudelft.nl/uuid:dcac7bfe-3c14-40e0-8ba8-d7d0ac9e5c6b","Spin-Orbit Interaction and Induced Superconductivity in a One-Dimensional Hole Gas","de Vries, F.K. (TU Delft TQC/Goswami Lab; TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Shen, J. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Skolasinski, R.J. (TU Delft Fault-Tolerant Quantum Computing; TU Delft TQC/Wimmer Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Nowak, M.P. (AGH University of Science and Technology); Varjas, D. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Wang, L. (TU Delft QN/Akhmerov Group; TU Delft QuTech; Kavli institute of nanoscience Delft); Wimmer, M.T. (TU Delft TQC/Wimmer Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Zwanenburg, F.A. (University of Twente); Li, A. (Eindhoven University of Technology); Kölling, S. (Eindhoven University of Technology); Verheijen, M.P.A.M. (Eindhoven University of Technology; Philips Research); Bakkers, E.P.A.M. (Eindhoven University of Technology); Kouwenhoven, Leo P. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft; Microsoft Station Q Delft); More Authors (Extern)","","2018","Low dimensional semiconducting structures with strong spin-orbit interaction (SOI) and induced superconductivity attracted great interest in the search for topological superconductors. Both the strong SOI and hard superconducting gap are directly related to the topological protection of the predicted Majorana bound states. Here we explore the one-dimensional hole gas in germanium silicon (Ge-Si) core-shell nanowires (NWs) as a new material candidate for creating a topological superconductor. Fitting multiple Andreev reflection measurements shows that the NW has two transport channels only, underlining its one-dimensionality. Furthermore, we find anisotropy of the Landé g-factor that, combined with band structure calculations, provides us qualitative evidence for the direct Rashba SOI and a strong orbital effect of the magnetic field. Finally, a hard superconducting gap is found in the tunneling regime and the open regime, where we use the Kondo peak as a new tool to gauge the quality of the superconducting gap.","g-factor anisotropy; hole transport; Josephson junction; multiple Andreev reflection; nanowires; Spin-orbit interaction","en","journal article","","","","","","","","","","","","","",""
"uuid:447772d7-f16b-49a1-bbec-505164a7f4b3","http://resolver.tudelft.nl/uuid:447772d7-f16b-49a1-bbec-505164a7f4b3","Teachers’ core beliefs about improving transfer of algebraic skills from mathematics into physics in senior pre-university education","Tursucu, S. (TU Delft Science Education and Communication); Spandaw, J.G. (TU Delft Analysis); Flipse, S.M. (TU Delft Science Education and Communication); de Vries, M.J. (TU Delft Science Education and Communication; TU Delft Ethics & Philosophy of Technology)","","2018","Students in senior pre-university education face difficulties in the application of mathematics in physics. This paper presents the results of a qualitative study on teachers’ core beliefs about improving the transfer of algebraic skills to physics. Teachers were interviewed about their beliefs regarding a transfer problem from mathematics to physics for which solution algebraic skills were needed. We obtained large amount of data which were reduced to sixteen core beliefs including constraints and affordances influencing students’ demonstration of coherent mathematics education (CME) and transfer of algebraic skills from mathematics into physics. These core beliefs were grouped into the five main categories ‘Collaboration’, ‘Curricula’, ‘Students’, ‘Teachers’ and ‘Textbooks’. We think that our approach to pattern coding is both elegant and generally applicable to reduce code trees including large amount of data. Four core beliefs were identified as naïve beliefs, which may impede transfer. We provided a powerful remedy against such unproductive beliefs: through professional development programs teachers with such beliefs should be made aware, reflect and reconcile their naïve beliefs with those required for transfer. These core beliefs contain data to extract teachers’ belief systems. Quantitative research could investigate to which extent this is the case and which beliefs these contain.","coherent mathematics education; qualitative research; senior pre-university education; teachers' core beliefs; transfer of learning","en","journal article","","","","","","","","","","","","","",""
"uuid:7753d11e-09f2-41c2-91a2-5a41be1c51eb","http://resolver.tudelft.nl/uuid:7753d11e-09f2-41c2-91a2-5a41be1c51eb","Usability testing of a web-based 3D Cadastral visualization system","Cemellini, Barbara (Student TU Delft); Thompson, R.J. (TU Delft Department of GIS Technology); van Oosterom, P.J.M. (TU Delft Department of GIS Technology); de Vries, M.E. (TU Delft Department of GIS Technology)","Oosterom, Peter van (editor); Dubbeling, Dirk (editor)","2018","Many countries are extending their cadastral visualization systems in the third dimension. The reason for this stems from the increasing complexity of contemporary cities, the growing 3D approach in other fields (including 3D spatial data acquisition, spatial data processing and visualization), which made 3D cadastre technologically feasible, and the need to overcome the issues of 2D visualization. The visualization of cadastral parcels in 3D is a challenge, since legal boundaries are, in many cases, invisible in the real world; so how can we properly represent something that is not visible to our eyes? This paper results from research that looks into problems of occlusion and ambiguous perception (in terms of position, size and shape) of objects in the context of 3D cadastre visualization. The exploration of specific interaction techniques is essential to overcome these issues.The aim of this paper is to provide ’lessons learned’ resulting from the implementation of a 3D cadastre prototype that was built with the specific goal of trying out several visualization options of 3D cadastral information in a web environment. A usability test was carried out to obtain feedback from different groups of users. Usability is meant in terms of effectiveness and efficiency of the system and users’ satisfaction. The test users were subdivided into groups according to different professional domains and expertise. During the test, the users are asked to perform a series of tasks typical of cadastral systems. Each task is accompanied by a description to give the users some context. Then, each user is asked to answer a questionnaire about his or her experience. The results are used to extract general feedback. The outcome of the usability test is crucial to point out the detected limitations in this early stage of the prototype development. Design changes can then be made according to the feedback of the test users.","3D Cadastre; D Visualization; Usability","en","conference paper","FIG (International Federation of Surveyors)","","","","","","","","","","","","",""
"uuid:64b8f701-38b3-423f-b337-a3796dcd8414","http://resolver.tudelft.nl/uuid:64b8f701-38b3-423f-b337-a3796dcd8414","An analysis of a forward capacity market with long-term contracts","Bhagwat, P.C. (TU Delft Energy & Industry; European University Institute); Marcheselli, A. (TU Delft OLD CIO - Front Office; TU Delft Energy & Industry; Politecnico di Milano); Richstein, J.C. (TU Delft Energy & Industry; DIW Berlin); Chappin, E.J.L. (TU Delft Energy & Industry); de Vries, Laurens (TU Delft Energy & Industry)","","2017","We analyze the effectiveness of a forward capacity market (FCM) with long-term contracts in an electricity market in the presence of a growing share of renewable energy. An agent-based model is used for this analysis. Capacity markets can compensate for the deteriorating incentive to invest in controllable power plants when the share of variable renewable energy sources grows, but may create volatile prices themselves. Capacity markets with long-term contracts have been developed, e.g. in the UK, to stabilize capacity prices. In our analysis, a FCM is effective in providing the required adequacy level and leads to lower cost to consumers and more stable capacity prices, as compared to a yearly capacity market. In case of a demand shock, a FCM may develop an investment cycle, but it still maintains security of supply. Its main effect on the power plant portfolio is more investment in peak plant.","Adequacy policy; Agent-based modeling; Capacity markets; Capacity mechanisms; Electricity market; Security of supply","en","journal article","","","","","","","","","","","Energy & Industry","","",""
"uuid:c3c8578d-fd2c-493f-b4c5-79e63bc6d70c","http://resolver.tudelft.nl/uuid:c3c8578d-fd2c-493f-b4c5-79e63bc6d70c","ADR: The use of Advanced Dry Recovery in recycling fine moist granular materials","de Vries, W. (TU Delft Materials and Environment)","Rem, P.C. (promotor); Delft University of Technology (degree granting institution)","2017","Effective recycling of municipal solid waste incinerator bottom ashes (MSWI-BA) and construction and demolition wastes (CDW) has proven to be a challenge, despite the high potential for recovering valuable metals in MSWI-BA and reducing the carbon footprint of the construction industry. The fundamental problem is caused by the combined presence of fines (-1 mm) and moisture. This combination forms agglomerates and fouls screens and other separation equipment, making it notoriously difficult to recover value from these waste-streams.

EMERGING TECHNOLOGIES IN ENGINEERING EDUCATION: CAN WE MAKE IT WORK?. Available from: https://www.researchgate.net/publication/317958875_EMERGING_TECHNOLOGIES_IN_ENGINEERING_EDUCATION_CAN_WE_MAKE_IT_WORK [accessed Oct 2, 2017].","Virtual Reality Systems; Emerging Technologies","en","conference paper","","","","","","","","","","","","","",""
"uuid:e9763ec8-d216-4815-8566-a57b1cdacc9b","http://resolver.tudelft.nl/uuid:e9763ec8-d216-4815-8566-a57b1cdacc9b","Toward high volume solution based roll-to-roll processing of OLEDs","Abbel, Robert (TNO); de Vries, Ike (TNO); Langen, Arjan (TNO); Kirchner, Gerwin (TNO); t’Mannetje, Hero (TNO); Gorter, Harrie (TNO); Wilson, Joanne (TNO); Groen, W.A. (TU Delft Novel Aerospace Materials; TNO)","","2017","The large volume production of flexible electronics by solution based roll-to-roll (R2R) manufacturing technologies is a promising upscaling strategy for the organic electronics industry. Typical optoelectronic devices like organic light emitting diodes (OLEDs) consist of a complex stack of functional layers. Solution deposition of these structures eliminates the need for expensive vacuum processing. This contribution presents approaches for solution based R2R production methods of functional OLED layers on flexible polymer substrates. The development of a R2R line with two slot-die coating stations is discussed which can deposit two uniform layers consecutively in a single run (“tandem coating”) at web speeds up to 30 m/min. Furthermore, it offers the unique feature that there is no contact between the rollers and the top side of the substrate where the functional coating is deposited. Thereby, an important source of particle contamination and other damage to the device is eliminated. In addition to continuous deposition, stripe and intermittent coating techniques have been developed, allowing the production of patterned layers. Finally, examples will be shown of OLEDs where two functional materials are deposited by R2R processing from solution.","coating; solution deposition; thin film","en","journal article","","","","","","","","","","","Novel Aerospace Materials","","",""
"uuid:c48cedb1-24d7-470f-9746-6e829de493f5","http://resolver.tudelft.nl/uuid:c48cedb1-24d7-470f-9746-6e829de493f5","Cross-border effects of capacity mechanisms in interconnected power systems","Bhagwat, P.C. (TU Delft Energy & Industry; European University Institute); Richstein, J.C. (TU Delft Energy & Industry; Deutsches Institut für Wirtschaftsforschung); Chappin, E.J.L. (TU Delft Energy & Industry); Iychettira, K.K. (TU Delft Energy & Industry); de Vries, Laurens (TU Delft Energy & Industry)","","2017","The cross-border effects of a capacity market and a strategic reserve in interconnected electricity markets are modeled using an agent-based modeling methodology. Both capacity mechanisms improve the security of supply and reduce consumer costs. Our results indicate that interconnections do not affect the effectiveness of a capacity market, while a strategic reserve is affected negatively. The neighboring zone may free ride on the security of supply provided by the zone implementing a capacity mechanism. However, a capacity market causes crowding out of generators in the energy-only zone. A strategic reserve implemented by this region could aid in mitigating this risk.","Capacity market; Cross-border effect; Strategic reserve","en","journal article","","","","","","","","","","","Energy & Industry","","",""
"uuid:efe8cb8d-a8d1-4f76-bad3-321fe45f7343","http://resolver.tudelft.nl/uuid:efe8cb8d-a8d1-4f76-bad3-321fe45f7343","Exploring standards consortium survival in high tech industries: The effects of commitment and internal competition","Kamps, Xavier (Erasmus University Rotterdam); de Vries, Henk (Erasmus University Rotterdam); van de Kaa, G. (TU Delft Economics of Technology and Innovation)","","2017","Standards consortia develop technical standards or specifications and promote these to reach market dominance. Research on competing standards has explored either firm-level or standard-level factors, but the dynamics of standards consortia and their survival have remained largely understudied. The pre- and post-competitive phase of standards consortia supporting standards may better explain why certain standard-setting efforts fail where others succeed. In this empirical study we operationalize the concepts of internal standards consortium competition and standards consortium commitment, and analyse the effects of these concepts on the survival of high-tech standards consortia. We find that the influx of new strategic members throughout the years is beneficial for the longevity of the consortium. In addition, we find that standards consortia possibly constrain the entrance of new members if their existing members have a multitude of other concurrent standards consortium memberships.","Commitment; Competition; Standards; Standards consortia; Survival analysis","en","journal article","","","","","","","","2019-02-13","","","","","",""
"uuid:b2b846f1-0ca1-4939-bb03-748ea827daeb","http://resolver.tudelft.nl/uuid:b2b846f1-0ca1-4939-bb03-748ea827daeb","Aeolian sediment supply at a mega nourishment","Hoonhout, B.M. (TU Delft Coastal Engineering); de Vries, S. (TU Delft Coastal Engineering)","","2017","Mega nourishments are intended to enhance growth and resilience of coastal dunes on medium to long time scales by stimulation of natural sediment transport processes. The growth and resilience of coastal dunes largely depends on the presence of a continuous supply of aeolian sediment. A recent example of a mega nourishment is the 21 Mm3 mega nourishment known as the Sand Motor. The Sand Motor is intended to nourish the entire Holland coast over a period of two decades. Four years of bi-monthly topographic measurements of the Sand Motor domain provide an opportunity to analyze spatiotemporal variations in aeolian sediment supply using an aeolian sediment budget analysis. It appears that more than 58% of all aeolian sediment deposits originate from the low-lying beaches that are regularly reworked by waves. Aeolian sediment supply from higher beaches diminished after half a year after construction of the Sand Motor, likely due to the formation of deflation lag deposits that constitute a beach armor layer. The compartmentalization of the Sand Motor in armored and unarmored surfaces suggests that the construction height is an important design criterion that influences the lifetime and region of influence for any mega nourishment.","Aeolian sediment supply; Aeolian sediment transport; Beach armoring; Mega nourishment; Sand Motor; Sediment budgets","en","journal article","","","","","","","","2019-03-30","","","","","",""
"uuid:fc3d15ef-a4aa-4367-bf8d-5c1552a91e46","http://resolver.tudelft.nl/uuid:fc3d15ef-a4aa-4367-bf8d-5c1552a91e46","Facts and feelings: Framing effects in responses to uncertainties about high-voltage power lines","de Vries, G. (TU Delft Organisation and Governance); de Bruijn, J.A. (TU Delft Multi Actor Systems)","","2017","To ensure power supply security, electricity transmission system operators (TSOs) have to upscale high-voltage overhead power lines. However, upscaling frequently meets opposition. Opposition can be caused by uncertainties about risks and benefits and might lead to costly delays (Linder, 1995; Wiedemann, Boerner,& Claus, 2016). To minimize opposition, TSOs and related public services need to respond to these uncertainties in a credible and convincing (effective) way. Effective risk communication is associated with sharing facts. However, factual responses can be perceived as ""cold"" and technocratic. To make factual responses warmer, it has been suggested to refer to organisational values or show personal commitment (e.g., De Bruijn, 2011; De Wit, Das, & Vet, 2008). For example, when confronted with uncertainties about the impact of electro-magnetic fields on local residents’ health, a TSO spokesperson can share scientific findings as well as ensure that her organisation will never take any irresponsible risks because safety is a key value for them. Although it is generally assumed that a factual response is more effective when warmth is added, empirical evidence for this assumption is lacking. To fill this scientific gap, we conducted systematic research. The findings contribute to society because they can help improve effective communication and opinion-formation on power lines. The research consisted of three phases. In the first phase, experts identified the most relevant uncertainties about overhead power lines and formulated warm and cold responses to these uncertainties. The effectiveness (credibility and persuasiveness) of these responses was assessed with a large-scale representative survey (N = 881) in Phase 2. Phase 3 consisted of an experimental survey testing the hypothesis that a factual response is more effective when warmth is added with videos that were randomly distributed (N = 412). The most important finding of our research is that—in contrast with what is often suggested—a factual response to uncertainties about high-voltage overhead power lines is not more effective when warmth is added (although warmth increases feelings of sympathy). This paper is relevant to the panel topic because it integrates psychology and public administration in several ways. First, it investigates judgments of citizens in their interactions with public services (TSOs and related services). Second, it showcases the use of experimental methods to test theory. Third, the results can affect decisions of public managers and politicians with regard to risk communication on high-voltage overhead power lines.","","en","conference paper","","","","","","","","","","Multi Actor Systems","Organisation and Governance","","",""
"uuid:3a2b9139-7d75-4ad9-8edf-2d1c9bc17981","http://resolver.tudelft.nl/uuid:3a2b9139-7d75-4ad9-8edf-2d1c9bc17981","Facts over feelings: How citizens evaluate responses to uncertainties about power lines","de Vries, G. (TU Delft Organisation and Governance); de Bruijn, J.A. (TU Delft Multi Actor Systems)","","2017","","","en","abstract","","","","","","","","","","","","","",""
"uuid:428d122b-c611-41f5-9acf-82e4eaf12e88","http://resolver.tudelft.nl/uuid:428d122b-c611-41f5-9acf-82e4eaf12e88","AVG, ojee, of valt het wel mee?","de Vries, Marc; van Loenen, B. (TU Delft Geo-information and Land Development)","","2017","In de afgelopen twintig jaar is geo-informatie veranderd van een ‘plekje in de Bosatlas’ tot een culminatiepunt van data. Onder andere data die, zeker in onderling verband, in toenemende mate herleidbaar zijn tot een persoon.Anders gezegd: geo-informatie kan zo maar een persoonsgegeven zijn of worden. Daarmee is de adoptie, eind december 2015, van de Algemene VerordeningGegevensbescherming (AVG) – zeg maar ‘de nieuwe Wet bescherming persoonsgegevens’ - ook voor het geo-werkveld van groot belang.","geografische informatie; privacy; gegevensbescherming","nl","journal article","","","","","","","","2017-05-15","","","","","",""
"uuid:4c394319-25c8-4d0e-a910-0605f46f9ef3","http://resolver.tudelft.nl/uuid:4c394319-25c8-4d0e-a910-0605f46f9ef3","Technology Development as a Normative Practice: A Meaning-Based Approach to Learning About Values in Engineering—Damming as a Case Study","Nia, Mahdi G. (Student TU Delft); Harandi, Mehdi F. (University of Tehran); de Vries, M.J. (TU Delft Science Education and Communication; TU Delft Ethics & Philosophy of Technology)","","2017","Engineering, as a complex and multidimensional practice of technology development, has long been a source of ethical concerns. These concerns have been approached from various perspectives. There are ongoing debates in the literature of the philosophy of engineering/technology about how to organize an optimized view of the values entailed in technology development processes. However, these debates deliver little in the way of a concrete rationale or framework that could comprehensively describe different types of engineering values and their multi-aspect interrelations in real engineering practices. Approaching engineering values from a meaning-based perspective, as in this paper, can be a reliable method of tackling such a controversial problem. This paper therefore proposes that technology development be considered a systemic normative practice and attempts to provide a comprehensive view of various built-in values, their different origins and features, and a way of prioritizing them in real engineering processes. Studying two cases of the Zayandeh Rood Dam and the Abbasi Dam will lead to practical insights into how to understand norms in technology development and incorporate them into engineering practice.","Dooyeweerd’s ontological account; Normative constitutive rules; Normative practice; Normative regulative rules; Normativity; Technology development","en","journal article","","","","","","","","","","","Science Education and Communication","","",""
"uuid:f736a8b4-3941-4de5-9116-126ddfe0538a","http://resolver.tudelft.nl/uuid:f736a8b4-3941-4de5-9116-126ddfe0538a","Microsecond time-scale kinetics of transient biochemical reactions","Mitic, S. (TU Delft BT/Biocatalysis); Strampraad, M.J.F. (TU Delft BT/Biocatalysis); Hagen, W.R. (TU Delft BT/Biocatalysis); de Vries, S. (TU Delft BT/Biocatalysis)","","2017","To afford mechanistic studies in enzyme kinetics and protein folding in the microsecond time domain we have developed a continuous-flow microsecond time-scale mixing instrument with an unprecedented dead-time of 3.8 ± 0.3 μs. The instrument employs a micro-mixer with a mixing time of 2.7 μs integrated with a 30 mm long flow-cell of 109 μm optical path length constructed from two parallel sheets of silver foil; it produces ultraviolet-visible spectra that are linear in absorbance up to 3.5 with a spectral resolution of 0.4 nm. Each spectrum corresponds to a different reaction time determined by the distance from the mixer outlet, and by the fluid flow rate. The reaction progress is monitored in steps of 0.35 μs for a total duration of ~600 μs. As a proof of principle the instrument was used to study spontaneous protein refolding of pH-denatured cytochrome c. Three folding intermediates were determined: after a novel, extremely rapid initial phase with τ = 4.7 μs, presumably reflecting histidine re-binding to the iron, refolding proceeds with time constants of 83 μs and 345 μs to a coordinatively saturated low-spin iron form in quasi steady state. The time-resolution specifications of our spectrometer for the first time open up the general possibility for comparison of real data and molecular dynamics calculations of biomacromolecules on overlapping time scales.","OA-Fund TU Delft","en","journal article","","","","","","","","","","","BT/Biocatalysis","","",""
"uuid:70760a25-2ec0-434d-a066-711dd98ccfe5","http://resolver.tudelft.nl/uuid:70760a25-2ec0-434d-a066-711dd98ccfe5","Tipping your toe in the 'Emerging Technologies' pond from an educational point of view","Klaassen, R.G. (TU Delft Teaching & Learning Services; 4TU.Centre for Engineering Education); de Vries, P. (TU Delft System Engineering; 4TU.Centre for Engineering Education); Ioannides, M.G. (National Technical University of Athens); Papazis, S. (National Technical University of Athens)","","2017","This paper is about an explorative research into the use of emerging technologies in higher engineering education. New technologies are poised to better prepare students for the labour market and therefore help to endow vital innovative and creative skills. It is not yet fully clear what these skills are, but technological innovations are a good indicator of what to expect. Emerging technologies are technologies not yet widely adopted like there are 3D printing, Virtual Reality and Internet of Things. The diversity and the complexity of these technologies require a better understanding to decide about the value of such technologies for education. The research aims at the development of an approach that will help teachers to investigate, test, and assess the usability of such a technology in their micro-environment of teaching and learning. This explorative research comprises an examination of the current use and experiences in education and the industry, an indebt analysis of some of the technologies and some small-scale experiments concerning the use of such technologies in daily educational practice. The paper summarizes the research results 1 Corresponding Author P. de Vries, pieter.devries@tudelft.nl 45 th SEFI Conference, 18-21 September 2017, Azores, Portugal 2 so far. Notably education is challenged to acquire an active role in assessing the usability and maximizing the opportunities of these technologies","Labour market entry; Transversal skills; Professional roles; Skills mismatch","en","conference paper","","978-989-98875-7-2","","","","","","","","","","","",""
"uuid:7430fe8b-8f63-4233-9189-e0a92d91621e","http://resolver.tudelft.nl/uuid:7430fe8b-8f63-4233-9189-e0a92d91621e","A Stream-based Resource for Multi-Dimensional Evaluation of Recommender Algorithms","Kille, Benjamin (Technical University of Berlin); Lommatzsch, Andreas (Technical University of Berlin); Hopfgartner, Frank (University of Glasgow); Larson, M.A. (TU Delft Multimedia Computing); de Vries, A.P. (Radboud University Nijmegen)","","2017","Recommender System research has evolved to focus on developing algorithms capable of high performance in online systems. This development calls for a new evaluation infrastructure that supports multi-dimensional evaluation of recommender systems. Today’s researchers should analyze algorithms with respect to a variety of aspects including predictive performance and scalability. Researchers need to subject algorithms to realistic conditions in online A/B tests.We introduce two resources supporting such evaluation methodologies: the new data set of stream recommendation interactions released for CLEF NewsREEL 2017, and the new Open Recommendation Platform (ORP). The data set allows researchers to study a stream recommendation problem closely by “replaying” it locally, and ORP makes it possible to take this evaluation “live” in a livinglab scenario. Specifically, ORP allows researchers to deploy their algorithms in a live stream to carry out A/B tests. To our knowledge, NewsREEL is the first online news recommender system resource to be put at the disposal of the research community. In order to encourage others to develop comparable resources for a wide range of domains, we present a list of practical lessons learned in thedevelopment of the dataset and ORP.","streams; recommender system; multi--dimensional benchmarking","en","conference paper","Association for Computing Machinery (ACM)","978-1-4503-5022-8","","","","","","","","","Multimedia Computing","","",""
"uuid:58f55d2f-22fb-47e1-817b-3167c5a06de6","http://resolver.tudelft.nl/uuid:58f55d2f-22fb-47e1-817b-3167c5a06de6","Semi-Automated Monitoring of a Mega-Scale Beach Nourishment Using High-Resolution TerraSAR-X Satellite Data","Vandebroek, Elena (Deltares); Lindenbergh, R.C. (TU Delft Optical and Laser Remote Sensing); van Leijen, F.J. (TU Delft Mathematical Geodesy and Positioning); de Schipper, M.A. (TU Delft Coastal Engineering; Shore Monitoring & Research); de Vries, S. (TU Delft Coastal Engineering); Hanssen, R.F. (TU Delft Mathematical Geodesy and Positioning)","","2017","This paper presents a semi-automated approach to detecting coastal shoreline change with high spatial- and temporal-resolution using X-band synthetic aperture radar (SAR) data. The method was applied at the Sand Motor, a “mega-scale” beach nourishment project in the Netherlands. Natural processes, like waves, wind, and tides, gradually distribute the highly concentrated sand to adjacent beaches. Currently, various in-situ techniques are used to monitor the Sand Motor on a monthly basis. Meanwhile, the TerraSAR-X satellite collects two high-resolution (3 × 3 m), cloud-penetrating SAR images every 11 days. This study investigates whether shorelines detected in TerraSAR-X imagery are accurate enough to monitor the shoreline dynamics of a project like the Sand Motor. The study proposes and implements a semi-automated workflow to extract shorelines from all 182 available TerraSAR-X images acquired between 2011 and 2014. The shorelines are validated using bi-monthly RTK-GPS topographic surveys and nearby wave and tide measurements. A valid shoreline could be extracted from 54% of the images. The horizontal accuracy of these shorelines is approximately 50 m, which is sufficient to assess the larger scale shoreline dynamics of the Sand Motor. The accuracy is affected strongly by sea state and partly by acquisition geometry. We conclude that using frequent, high-resolution TerraSAR-X imagery is a valid option for assessing coastal dynamics on the order of tens of meters at approximately monthly intervals","high-resolution SAR imagery; TerraSAR-X; shoreline; beach nourishment; Sand Motor; coastal dynamics; OA-Fund TU Delft","en","journal article","","","","","","","","","","","Optical and Laser Remote Sensing","","",""
"uuid:e278bc9d-784c-46ec-a2cc-672f08e5f1b8","http://resolver.tudelft.nl/uuid:e278bc9d-784c-46ec-a2cc-672f08e5f1b8","Electricity market design requirements for DC distribution systems","Piao, L. (TU Delft Algorithmics); de Weerdt, M.M. (TU Delft Algorithmics); de Vries, Laurens (TU Delft Energy & Industry)","","2017","DC distribution systems (DCDS) connect local generators and loads directly. By avoiding unnecessary losses in AC-DC conversion, DCDS offers higher energy efficiency. Since different parties in a DCDS may have conflicting goals, matching between power supply and demand should be done with carefully designed allocation rules and monetary transfers, such that no one prefers to act otherwise than the outcome of the allocation. This paper reveals DCDS' unique operational requirements and indicates the challenges and opportunities they pose to market design. A design framework is introduced into DCDS electricity market, incl. tradable services, design goals, market participants, design options and performance criteria. We review the existing market models for AC and DC distribution systems and point out the direction for future work.","electricity market; market design; DC distribution system; operational requirements; tradable services","en","conference paper","IEEE","978-1-5090-4479-5","","","","","","","","","Algorithmics","","",""
"uuid:6d35d607-6c63-489f-91c6-af795003f9f7","http://resolver.tudelft.nl/uuid:6d35d607-6c63-489f-91c6-af795003f9f7","Institutional challenges caused by the integration of renewable energy sources in the European electricity sector","Verzijlbergh, R.A. (TU Delft Energy & Industry); de Vries, Laurens (TU Delft Energy & Industry); Dijkema, G.P.J.; Herder, P.M. (TU Delft Engineering, Systems and Services)","","2017","The integration of large amounts of variable renewable energy poses fundamental challenges to the operation and governance of the energy system. In this article we address the main institutional challenges that are caused by the integration of variable renewable energy sources like solar and wind energy in the European power system. We first address how the variable and unpredictable nature of wind and solar energy increases the demand for flexible resources and we discuss potential sources of flexibility. Next, we elaborate on how the need for more flexibility challenges the prevailing market design of todays liberalized power systems. Furthermore, we discuss the key areas where there is a need for a more integrated approach to research and policy making. The need for a more integrated approach is motivated by exposing a number of critical interdependencies between technical and institutional sub-systems.","System integration; Institutions; Electricity markets; Flexibility","en","journal article","","","","","","","","","","Engineering, Systems and Services","Energy & Industry","","",""
"uuid:aa0bdfb6-3892-4231-8094-615e5ade6405","http://resolver.tudelft.nl/uuid:aa0bdfb6-3892-4231-8094-615e5ade6405","Tractor Propeller-Pylon Interaction, Part I: Characterization of Unsteady Pylon Loading","de Vries, R. (TU Delft Flight Performance and Propulsion); Sinnige, T. (TU Delft Flight Performance and Propulsion); Della Corte, Biagio (University of Napoli Federico II); Avallone, F. (TU Delft Wind Energy); Ragni, D. (TU Delft Wind Energy); Eitelberg, G. (TU Delft Flight Performance and Propulsion); Veldhuis, L.L.M. (TU Delft Flight Performance and Propulsion)","","2017","br","","en","conference paper","AIAA","978-1-62410-447-3","","","","","","","","","Flight Performance and Propulsion","","",""
"uuid:eeffef50-8828-4fc3-b4e8-89a51715a20c","http://resolver.tudelft.nl/uuid:eeffef50-8828-4fc3-b4e8-89a51715a20c","Cortical Spreading Depression Causes Unique Dysregulation of Inflammatory Pathways in a Transgenic Mouse Model of Migraine","Eising, Else (Leiden University Medical Center); Shyti, Reinald (Leiden University Medical Center); 't Hoen, P.A.C. (Leiden University Medical Center); Vijfhuizen, L.S. (Leiden University Medical Center); Huisman, S.M.H. (TU Delft Pattern Recognition and Bioinformatics; Leiden University Medical Center); Broos, Ludo A. M. (Leiden University Medical Center); Mahfouz, A.M.E.T.A. (TU Delft Pattern Recognition and Bioinformatics; Leiden University Medical Center); Reinders, M.J.T. (TU Delft Pattern Recognition and Bioinformatics); Ferrari, M.D. (Leiden University Medical Center); Tolner, Else A. (Leiden University Medical Center); de Vries, Boukje (Leiden University Medical Center); van den Maagdenberg, Arn M.J.M. (Leiden University Medical Center)","","2017","Familial hemiplegic migraine type 1 (FHM1) is a rare monogenic subtype of migraine with aura caused by mutations in CACNA1A that encodes the α1A subunit of voltage-gated CaV2.1 calcium channels. Transgenic knock-in mice that carry the human FHM1 R192Q missense mutation (‘FHM1 R192Q mice’) exhibit an increased susceptibility to cortical spreading depression (CSD), the mechanism underlying migraine aura. Here, we analysed gene expression profiles from isolated cortical tissue of FHM1 R192Q mice 24 h after experimentally induced CSD in order to identify molecular pathways affected by CSD. Gene expression profiles were generated using deep serial analysis of gene expression sequencing. Our data reveal a signature of inflammatory signalling upon CSD in the cortex of both mutant and wild-type mice. However, only in the brains of FHM1 R192Q mice specific genes are up-regulated in response to CSD that are implicated in interferon-related inflammatory signalling. Our findings show that CSD modulates inflammatory processes in both wild-type and mutant brains, but that an additional unique inflammatory signature becomes expressed after CSD in a relevant mouse model of migraine.","Migraine; Familial hemiplegic migraine type 1; Gene expression profiling; Deep serial analysis of gene expression; Inflammation; Interferon","en","journal article","","","","","","","","","","","Pattern Recognition and Bioinformatics","","",""
"uuid:9155aaa0-c86f-43fd-a01e-1568fb712113","http://resolver.tudelft.nl/uuid:9155aaa0-c86f-43fd-a01e-1568fb712113","Teachers’ beliefs about improving transfer of algebraic skills from mathematics into physics in senior pre-university education","Tursucu, S. (TU Delft Science Education and Communication); Spandaw, J.G. (TU Delft Analysis); Flipse, S.M. (TU Delft Science Education and Communication); de Vries, M.J. (TU Delft Science Education and Communication; TU Delft Ethics & Philosophy of Technology)","","2017","Students in senior pre-university education encounter difficulties in the application of mathematics into physics. This paper presents the outcome of an explorative qualitative study of teachers’ beliefs about improving the transfer of algebraic skills from mathematics into physics. We interviewed 10 mathematics and 10 physics teachers using a semi-structured questionnaire that was based on an algebraic transfer problem. Almost all teachers acknowledged this transfer problem and considered it to be important. We found a continuum of teachers’ beliefs about aspects influencing transfer, including beliefs on improving this transfer. Together with identified improvement aspects about coherent mathematics education, these may help reduce physics teachers’ frustrations who spend extra time on re-teaching mathematics. Teachers think that transfer does not happen, because students see both subjects as separate disciplines. Contrary to most physics teachers, most mathematics teachers do not feel the need to collaborate with physics teachers. We found two extreme, opposite beliefs about the transfer of algebraic skills into physics. An intermediate group believes that only an integrated approach can solve the transfer problem. Some of the teachers’ beliefs could be organised into a beliefs system. Further research could investigate to which extent such beliefs systems exist and which beliefs these contain.","Teacher beliefs; qualitative research; interview","en","journal article","","","","","","","","","","","Science Education and Communication","","",""
"uuid:ce980fec-0c06-406a-8e57-8cb34c9eb1a3","http://resolver.tudelft.nl/uuid:ce980fec-0c06-406a-8e57-8cb34c9eb1a3","The effectiveness of capacity markets in the presence of a high portfolio share of renewable energy sources","Bhagwat, P.C. (TU Delft Energy & Industry); Iychettira, K.K. (TU Delft Energy & Industry); Richstein, J.C. (TU Delft Energy & Industry); Chappin, E.J.L. (TU Delft Energy & Industry); de Vries, Laurens (TU Delft Energy & Industry)","","2017","The effectiveness of a capacity market is analyzed by simulating three conditions that may cause suboptimal investment in the electricity generation: imperfect information and uncertainty; declining demand shocks resulting in load loss; and a growing share of renewable energy sources in the generation portfolio. Implementation of a capacity market can improve supply adequacy and reduce consumer costs. It mainly leads to more investment in low-cost peak generation units. If the administratively determined reserve margin is high enough, the security of supply is not significantly affected by uncertainties or demand shocks. A capacity market is found to be more effective than a strategic reserve for ensuring reliability.","Adequacy policy; Capacity markets; Security of supply","en","journal article","","","","","","","","","","","Energy & Industry","","",""
"uuid:78b7d6fc-2962-4d3d-92eb-17e40d50a752","http://resolver.tudelft.nl/uuid:78b7d6fc-2962-4d3d-92eb-17e40d50a752","Fatigue behaviour of a welded I-section under a line load in compression","Wardenier, J. (TU Delft Steel & Composite Structures; National University of Singapore); de Vries, P.A. (TU Delft Steel & Composite Structures); Timmerman, Gerrit (PT Structural Design & Analysis B.V.)","","2017","This paper is part of an evaluation of fatigue cracks in a crane runway girder with full penetration welds between the web and flange. The fatigue analysis of this actual crane runway girder is described in [1]. The investigation described in this paper deals with additional experimental tests on equivalent welded I sections on scale of approximately 1:2 subjected to a fluctuating line load in compression. The objective of these experimental investigations is to investigate whether cracks stop or nearly stop when they have grown through the residual tensile stress field. The test results show that, in some cases the cracks in the weld, at the weld toe with the web or with the flange initiate and grow from one side to about 50 to 60% of the web thickness and then stop. However, at the weld toe with the flange the cracks grow sometimes from both sides but with the cracks at one side having a small length and/or a small depth. The minimum ratio in life between crack initiation and maximum crack was a factor 1.2 for cracks occurring at one side only and 1.5 to 3.1 for cracks at both sides.","Compression load; Crack growth; Crane runway girder; Fatigue; Fatigue cracks; Residual tensile stresses","en","journal article","","","","","","","","2019-01-01","","","Steel & Composite Structures","","",""
"uuid:5f34f733-0f0c-4462-b1a4-ebe255471ab1","http://resolver.tudelft.nl/uuid:5f34f733-0f0c-4462-b1a4-ebe255471ab1","Tractor Propeller-Pylon Interaction, Part II: Mitigation of Unsteady Pylon Loading by Application of Leading-Edge Porosity","Della Corte, Biagio (University of Napoli Federico II); Sinnige, T. (TU Delft Flight Performance and Propulsion); de Vries, R. (TU Delft Flight Performance and Propulsion); Avallone, F. (TU Delft Wind Energy); Ragni, D. (TU Delft Wind Energy); Eitelberg, G. (TU Delft Flight Performance and Propulsion); Veldhuis, L.L.M. (TU Delft Flight Performance and Propulsion)","","2017","br","","en","conference paper","AIAA","978-1-62410-447-3","","","","","","","","","Flight Performance and Propulsion","","",""
"uuid:9affba02-f277-4b63-8026-4820ac31740e","http://resolver.tudelft.nl/uuid:9affba02-f277-4b63-8026-4820ac31740e","Multi-mode standardisation: A critical review and a research agenda","Wiegmann, Paul Moritz (Rotterdam School of Management); de Vries, H.J. (TU Delft Economics of Technology and Innovation; Rotterdam School of Management); Blind, Knut (Technical University of Berlin; Fraunhofer Institute for Open Communication Systems)","","2017","Standardisation is key to shaping new technologies and supporting major ongoing trends, such as the increased importance of platforms, developing 'smart' technologies and innovating large-scale complex systems. Standardisation plays a key role in shaping the rules that govern these developments and their effects on society. Due to the large variety of actors involved in these trends, the associated standardisation processes are likely to involve all three modes of standardisation identified in the literature: committee-based, market-based and government-based. This multi-mode standardisation challenges the theoretical views on standardisation which predominantly focus on one of the modes. In this paper, we review the existing literatures on individual modes and on multi-mode standardisation. By recombining existing evidence, we generate new insights into multi-mode standardisation processes. These first insights relate to the contributions that each mode can make to such processes' outcomes and suggest that their impact depends on factors, such as their initiation's timing and the institutional context in which the standardisation process occurs. Moreover, we consider the conditions under which actors can launch each mode. Based on our observations, we formulate an agenda for future research to obtain a better understanding of multi-mode standardisation. We offer recommendations for industry actors, NGOs, researchers and policy makers involved in shaping technological and societal change.","Committee-based standardization; Government-based standardization; Multi-mode standardization; Regulation; Standard battles; Standardization","en","journal article","","","","","","","","","","","Economics of Technology and Innovation","","",""
"uuid:6953bba6-2b76-4d42-b4b1-e0c9c237b739","http://resolver.tudelft.nl/uuid:6953bba6-2b76-4d42-b4b1-e0c9c237b739","Standing up slowly antagonises initial blood pressure decrease in older adults with orthostatic hypotension","de Bruijne, E.S. (Amsterdam UMC; Amstelland Hospital); Reijnierse, E.M. (Amsterdam UMC); Trappenburg, M.C. (Amsterdam UMC; Amstelland Hospital); Pasma, J.H. (TU Delft Biomechatronics & Human-Machine Control); de Vries, Oscar J. (OLVG Hospital); Meskers, Carel G M (Amsterdam UMC); Maier, Andrea B. (University of Melbourne; Vrije Universiteit Amsterdam)","","2017","Background: Orthostatic hypotension (OH) is common in older adults and associated with increased morbidity and mortality, loss of independence and high health-care costs. Standing up slowly is a recommended non-pharmacological intervention. However, the effectiveness of this advice has not been well studied. Objectives: The aim of this study was to investigate whether standing up slowly antagonises posture-related blood pressure (BP) decrease in a clinically relevant population of geriatric outpatients. Methods: In this cross-sectional study, 24 community-dwelling older adults referred to a geriatric outpatient clinic and diagnosed with OH were included. BP was measured continuously during 3 consecutive transitions from supine to standing position during normal, slow and fast transition. Results: The relative BP decrease at 0-15 s after slow transition was significantly lower than after normal transition (p = 0.003 for both systolic BP and diastolic BP) and fast transition (p = 0.045 for systolic BP; diastolic BP: non-significant). The relative diastolic BP decrease at 60-180 s after normal transition was significantly lower than after fast transition (p = 0.029). Conclusion: Standing up slowly antagonises BP decrease predominantly during the first 15 s of standing up in a clinically relevant population of geriatric outpatients diagnosed with OH. Results support the non-pharmacological intervention in clinical practice to counteract OH.","Blood pressure; Continuously measured blood pressure; Older adults; Orthostatic hypotension; Stance; Standing up slowly","en","journal article","","","","","","Accepted Author Manuscript","","2017-10-19","","","","","",""
"uuid:96ceeb86-4b91-46d0-bde8-71ba69a9be0c","http://resolver.tudelft.nl/uuid:96ceeb86-4b91-46d0-bde8-71ba69a9be0c","Field measurements on spatial variations in aeolian sediment availability at the Sand Motor mega nourishment","Hoonhout, B.M. (TU Delft Coastal Engineering; Deltares); de Vries, S. (TU Delft Coastal Engineering)","","2017","Spatial variations in aeolian sediment transport were measured at the Sand Motor mega nourishment in The Netherlands during a six week field campaign in the fall of 2014. A consistent significant increase in sediment transport in downwind direction (positive gradient) was measured over the intertidal beach area, indicating that the intertidal beach is a primary source of aeolian sediment, despite the high soil moisture contents. A small positive increase in transport in downwind direction was measured over the dry beach, indicating that local aeolian sediment supply was hampered. A consistent decrease in sediment transport in downwind direction (negative gradient) was measured at the transition between intertidal and dry beach, indicating local deposition of sediment. The negative gradients coincide with the berm edge and the onset of a shell pavement. Therefore deposition might be promoted by morphological feedback between a berm and the wind and the entrapment of sediment in the beach armor layer. The local sediment deposits cause the sediment supply to the dunes to be continued even during high water, resulting in a phased process. The influence of the beach armor layer reduces during storm events as the armor layer itself is being mobilized.","Aeolian transport; Beach armoring; Field measurements; Nourishments; Sand Motor; Sediment availability; Sediment supply; Transport gradients","en","journal article","","","","","","Accepted Author Manuscript","","2019-01-06","","","","","",""
"uuid:7717b72a-75cf-4692-829b-5ad7598f8e42","http://resolver.tudelft.nl/uuid:7717b72a-75cf-4692-829b-5ad7598f8e42","Spin-orbit interaction in a dual gated InAs/GaSb quantum well","Beukman, A.J.A. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); de Vries, F.K. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); van Veen, J. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Skolasinski, R.J. (TU Delft TQC/Wimmer Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Wimmer, M.T. (TU Delft TQC/Wimmer Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Qu, F. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); De Vries, David T. (Student TU Delft; Kavli institute of nanoscience Delft); Nguyen, Binh Minh (HRL Laboratories); Kouwenhoven, Leo P. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Microsoft Station Q Delft; Kavli institute of nanoscience Delft)","","2017","The spin-orbit interaction is investigated in a dual gated InAs/GaSb quantum well. Using an electric field, the quantum well can be tuned between a single-carrier regime with exclusively electrons as carriers and a two-carrier regime where electrons and holes coexist. The spin-orbit interaction in both regimes manifests itself as a beating in the Shubnikov-de Haas oscillations. In the single-carrier regime the linear Dresselhaus strength is characterized by β=28.5 meV Å and the Rashba coefficient α is tuned from 75 to 53 meV Å by changing the electric field. In the two-carrier regime a quenching of the spin splitting is observed and attributed to a crossing of spin bands.","","en","journal article","","","","","","","","","","","","","",""
"uuid:887703bd-302f-4657-9da2-e4b91e16944c","http://resolver.tudelft.nl/uuid:887703bd-302f-4657-9da2-e4b91e16944c","Hard Superconducting Gap in InSb Nanowires","Gül, Önder (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Zhang, H. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); de Vries, F.K. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); van Veen, J. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Zuo, K. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Mourik, V. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Conesa Boj, S.C. (TU Delft QN/Conesa-Boj Lab; TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Nowak, M.P. (TU Delft Kouwenhoven Lab; TU Delft QuTech; AGH University of Science and Technology; Kavli institute of nanoscience Delft); van Woerkom, D.J. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Quintero Perez, M. (TU Delft General; TU Delft QuTech); Cassidy, M.C. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Geresdi, A. (TU Delft TQC/Geresdi Lab; TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Koelling, Sebastian (Eindhoven University of Technology); Car, D. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Eindhoven University of Technology; Kavli institute of nanoscience Delft); Plissard, S.R. (TU Delft QuTech; Eindhoven University of Technology); Bakkers, E.P.A.M. (TU Delft QN/Bakkers Lab; TU Delft QuTech; Eindhoven University of Technology); Kouwenhoven, Leo P. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft)","","2017","Topological superconductivity is a state of matter that can host Majorana modes, the building blocks of a topological quantum computer. Many experimental platforms predicted to show such a topological state rely on proximity-induced superconductivity. However, accessing the topological properties requires an induced hard superconducting gap, which is challenging to achieve for most material systems. We have systematically studied how the interface between an InSb semiconductor nanowire and a NbTiN superconductor affects the induced superconducting properties. Step by step, we improve the homogeneity of the interface while ensuring a barrier-free electrical contact to the superconductor and obtain a hard gap in the InSb nanowire. The magnetic field stability of NbTiN allows the InSb nanowire to maintain a hard gap and a supercurrent in the presence of magnetic fields (∼0.5 T), a requirement for topological superconductivity in one-dimensional systems. Our study provides a guideline to induce superconductivity in various experimental platforms such as semiconductor nanowires, two-dimensional electron gases, and topological insulators and holds relevance for topological superconductivity and quantum computation.","Majorana; topological superconductivity; hard gap; InSb; semiconductor nanowire; hybrid device","en","journal article","","","","","","","","","","","","","",""
"uuid:5d5ffcff-4bdb-41d5-a0d9-7bff13fcc5a7","http://resolver.tudelft.nl/uuid:5d5ffcff-4bdb-41d5-a0d9-7bff13fcc5a7","Design and evaluation of a personal robot playing a self-management education game with children with diabetes type 1","Blanson Henkemans, O.A. (TNO, Leiden); Bierman, Bert P.B. (TNO, Leiden); Janssen, Joris (TNO, Leiden); Looije, R. (TNO, Leiden); Neerincx, M.A. (TNO, Leiden); van Dooren, M.M.M. (TU Delft Design Aesthetics); de Vries, Jitske L.E. (Rutgers); van der Burg, Gert Jan (Ziekenhuis Gelderse Vallei); Huisman, Sasja D. (Leiden University Medical Center)","","2017","Objective To assess the effects of a personal robot, providing diabetes self-management education in a clinical setting on the pleasure, engagement and motivation to play a diabetes quiz of children (7–12) with type 1 diabetes mellitus (T1DM), and on their acquisition of knowledge about their illness. Methods Children with T1DM (N = 27) participated in a randomized controlled trial (RCT) in which they played a diabetes mellitus self-management education (DMSE) game, namely a diabetes quiz, with a personal or neutral robot on three occasions at the clinic, or were allocated to a control group (care as usual). Personalised robot behaviour was based on the self-determination theory (SDT), focusing on the children's needs for competence, relatedness and autonomy. The SDT determinants pleasure, motivation and diabetes knowledge were measured. Child-robot interaction was observed, including level of engagement. Results Results showed an increase in diabetes knowledge in children allocated to the robot groups and not in those allocated to the control group (P =.001). After three sessions, children working with the personal robot scored higher for determinants of SDT than children with the neutral robot (P = .02). They also found the robot to be more pleasurable (P =.04), they answered more quiz questions correctly (P =.02), and were more motivated to play a fourth time (P = .03). The analysis of audio/video recordings showed that in regard to engagement, children with the personal robot were more attentive to the robot, more social, and more positive (P < .05). Conclusion The study showed how a personal robot that plays DMSE games and applies STD based strategies (i.e., provides constructive feedback, acknowledges feelings and moods, encourages competition and builds a rapport) can help to improve health literacy in children in an pleasurable, engaging and motivating way. Using a robot in health care could contribute to self-management in children with a chronic disease and help them to cope with their illness.","Behavioural theory; Diabetes self-management education Tailoring; Persuasive technology; Video coding","en","journal article","","","","","","","","2019-06-16","","","","","",""
"uuid:996c7f18-ff4c-4e82-b2ac-ed66f7422d47","http://resolver.tudelft.nl/uuid:996c7f18-ff4c-4e82-b2ac-ed66f7422d47","OpenLEGO demonstration: A link between AGILE and OpenMDAO","de Vries, Daniël (Student TU Delft); van Gent, I. (TU Delft Flight Performance and Propulsion); la Rocca, G. (TU Delft Flight Performance and Propulsion); Binder, S. (Airbus Group)","","2017","","","en","other","","","","","","","","","","","","","",""
"uuid:51ee1355-eca1-46b1-8ec7-1164689e4593","http://resolver.tudelft.nl/uuid:51ee1355-eca1-46b1-8ec7-1164689e4593","How tides and waves enhance aeolian sediment transport at the sand motor mega-nourishment","Hoonhout, B.M. (TU Delft Coastal Engineering; Deltares); Luijendijk, A.P. (TU Delft Coastal Engineering; Deltares); de Vries, S. (TU Delft Coastal Engineering); Roelvink, D. (UNESCO-IHE)","Aagaard, T. (editor); Deigaard, R. (editor); Fuhrman, D. (editor)","2017","Expanding knowledge concerning the close entanglement between subtidal and subaerial processes in coastal environments initiated the development of the open-source Windsurf modeling framework that enables us to simulatemulti-fraction sediment transport due to subtidal and subaerial processes simultaneously. The Windsurf framework couples separate model cores for subtidal morphodynamics related to waves and currents and storms and aeoliansediment transport. The Windsurf framework bridges three gaps in our ability to model long-term coastal morphodynamics: differences in time scales, land/water boundary and differences in meshes.The Windsurf framework is applied to the Sand Motor mega-nourishment. The Sand Motor is virtually permanentlyexposed to tides, waves and wind and is consequently highly dynamic. In order to understand the complexmorphological behavior of the Sand Motor, it is vital to take both subtidal and subaerial processes into account. The ultimate aim of this study is to identify governing processes in aeolian sediment transport estimates in coastal environments and improve the accuracy of long-term coastal morphodynamic modeling. At the Sand Motor beach armoring occurs on the dry beach. In contrast to the dry beach, no armor layer can be established in the intertidal zone due to periodic flooding. Consequently, during low tide non-armored intertidal beaches are susceptible for wind erosion and, although moist, may provide a larger aeolian sediment supply than the vast dry beach areas. Hence, subtidal processes significantly influence the subaerial morphology and both need to be accounted for to understand the long-term aeolian morphodynamic behavior of the Sand Motor.","hydrodynamics; sediment transport; morphodynamics; dunes and ecomorphology; numerical modelling; coasts and climate","en","conference paper","","","","","","","","","","","","","",""
"uuid:76f6b550-21f1-4c0d-830d-8d33d69291e4","http://resolver.tudelft.nl/uuid:76f6b550-21f1-4c0d-830d-8d33d69291e4","Integrated modelling of the morphological evolution of the sand engine mega-nourishment","Luijendijk, A.P. (TU Delft Coastal Engineering; Deltares); Hoonhout, B.M. (TU Delft Coastal Engineering; Deltares); de Vries, S. (TU Delft Coastal Engineering); Ranasinghe, D. (Deltares; UNESCO-IHE)","Aagaard, T. (editor); Deigaard, R. (editor); Fuhrman, D. (editor)","2017","This study presents some recent developments in coastal morphological modeling focusing on flexible meshes, flexible coupling between models operating at different time scales, and a recently developed morphodynamic model for the intertidal and dry beach. This integrated modeling approach is applied to the Sand Engine mega nourishment in The Netherlands to illustrate the added-values of this integrated approach. A seamlessly coupled modeling system for Delft3D and AeoLiS has been developed and applied to compute the first years of evolution of the Sand Engine, both for the subaqueous and subaerial areas. The subaqueous bed level changes have been computed with the new Flexible Mesh version of Delft3D, resulting in comparable accuracy levels as to the standard Delft3D version. The integrated morphodynamic prediction of both subaqueous and subaerial reveals a qualitative behavior which is very similar to observations. Model results confirm that after the first year after construction the sand supply for aeolian transports is predominantly from the intertidal area. The AeoLiS model results indicate a significant intertidal erosion volume of about 230,000 m3 over the five year period, which is a not to be neglected volume, especially in multiyear or decadal predictions. Interestingly, the model results show that the spit, developed by the wave-related processes, is also subject to aeolian transports acting on the emerged spit during lower tides. The seamlessly coupled models are now able to combine the dry beach behaviour with subaqueous morphodynamic evolution, which is important in medium-term to decadal morphodynamic predictions but also relevant for designing such sandy solutions incorporating lakes, lagoons, and relief.","morphodynamics; mega-nourishment; integrated modelling; dunes; Delft3D; AeoLiS","en","conference paper","","","","","","","","","","","","","",""
"uuid:efc89a17-564d-4074-a83c-7dee975313c5","http://resolver.tudelft.nl/uuid:efc89a17-564d-4074-a83c-7dee975313c5","Coastscan: Continuous monitoring of coastal change using terrestrial laser scanning","Vos, S.E. (TU Delft Coastal Engineering); Lindenbergh, R.C. (TU Delft Optical and Laser Remote Sensing); de Vries, S. (TU Delft Coastal Engineering)","Aagaard, T. (editor); Deigaard, R. (editor); Fuhrman, D. (editor)","2017","Sandy coasts are vulnerable to predicted climate change, but also need to safeguard coastal housing, recreation, safety and ecology. “Building with Nature” is an important approach for resilient coastal maintenance, but corresponding predictive modelling tools are partly inconclusive, due to a lack of measurements over multiple spatial and temporal scales. The aim of the CoastScan project is to develop a monitoring system to measure and understand dry coast topography over multiple scales with a permanent laser scanner. A field campaign was setup at Kijkduin, The Netherlands to monitor a kilometre of beach for up to 6 months. The first permanent laser scanning results show a promising ability to monitor the coast over multiple scales: hourly topography is obtained with a quality at the millimetre range, while time series at four different locations lasting 10 days show subtle variations that could not be compared before.","","en","conference paper","","","","","","","","","","","","","",""
"uuid:bf8df3c5-06b7-4542-bd72-e5f7e72dc075","http://resolver.tudelft.nl/uuid:bf8df3c5-06b7-4542-bd72-e5f7e72dc075","Beach scarp evolution and prediction","de Schipper, M.A. (TU Delft Coastal Engineering; Shore Monitoring & Research); Darnall, John (CB&I: Chicago Bridge & Iron Company); de Vries, S. (TU Delft Coastal Engineering); Reniers, A.J.H.M. (TU Delft Environmental Fluid Mechanics)","Aagaard, T. (editor); Deigaard, R. (editor); Fuhrman, D. (editor)","2017","Five years of beach topography data were examined to map the spatio-temporal patterns in beach scarp existence. Data of the Sand Engine were used, a mega scale nourishment implemented in 2011 at the Dutch coast. Topographic data were automatically and manually analyzed to recognize scarps in the dataset. Moments of destruction and persistence of scarps were found to be dependent on wave run-up levels. At the site observed, scarps are often created during spring and summer months during mild wave conditions. During storms in autumn and winter the wave run-up exceeds the crest level of the scarp causing a removal of the scarps along the full perimeter. These findings suggest that the platform height of a beach nourishment is an important parameter for the persistence of beach scarps at recently nourished sites.","beach scarps; nourishments; swash hydrodynamics; morphodynamics","en","conference paper","","","","","","","","","","","","","",""
"uuid:34a0114b-5e39-4b52-9940-3a7e9f5a2982","http://resolver.tudelft.nl/uuid:34a0114b-5e39-4b52-9940-3a7e9f5a2982","Long term coastline monitoring derived from satellite imagery","Hagenaars, G.S. (Deltares); Luijendijk, A.P. (TU Delft Coastal Engineering; Deltares); de Vries, S. (TU Delft Coastal Engineering); de Boer, W.P. (Deltares)","Aagaard, T. (editor); Deigaard, R. (editor); Fuhrman, D. (editor)","2017","","satellite imagery; Google Earth Engine; coastline dynamics; coastal monitoring; positional accuracy; Dutch coast","en","conference paper","","","","","","","","","","","","","",""
"uuid:b6c62503-dd35-4da9-9b00-25786371cc73","http://resolver.tudelft.nl/uuid:b6c62503-dd35-4da9-9b00-25786371cc73","Measured spatial variability of beach erosion due to aeolian processes.","de Vries, S. (TU Delft Coastal Engineering); Verheijen, A.H. (TU Delft Coastal Engineering); Hoonhout, B.M. (TU Delft Coastal Engineering; Deltares); Vos, S.E. (TU Delft Coastal Engineering); Cohn, Nicholas (Oregon State University); Ruggiero, P (Oregon State University)","Aagaard, T. (editor); Deigaard, R. (editor); Fuhrman, D. (editor)","2017","This paper shows the first results of measured spatial variability of beach erosion due to aeolian processes during the recently conducted SEDEX2 field experiment at Long Beach, Washington, U.S.A.. Beach erosion and sedimentation were derived using series of detailed terrestrial LIDAR measurements of beach morphology during three low tide periods. Results show significant measured sedimentation and erosion up to 10-20 mm/hour during moderate wind conditions. Spatial variability in bed level changes were found which appeared to be related to the wind orientation and varying bed level characteristics. Around the high waterline, erosion is found during onshore winds whereas sedimentation is observed on the upper beach. The terrestrial lidar data also resolves the migration of bed forms migrating on the upper beach demonstrating its utility of for a range of aeolian sediment transport applications.","Aeolian sediment transport; terrestrial laser scanning; beach morphodynamics; SEDEX","en","conference paper","","","","","","","","","","","","","",""
"uuid:c939962d-1cef-4701-9840-ae005595ac47","http://resolver.tudelft.nl/uuid:c939962d-1cef-4701-9840-ae005595ac47","Beach growth driven by intertidal sandbar welding","Cohn, Nicholas (Oregon State University); Ruggiero, P (Oregon State University); de Vries, S. (TU Delft Coastal Engineering); García-Medina, Gabriel (Oregon State University)","Aagaard, T. (editor); Deigaard, R. (editor); Fuhrman, D. (editor)","2017","Seasonal variability in wave conditions drive corresponding cycles of erosion and accretion along sandy beaches. Despite the fact that these oscillations are well documented at numerous sites throughout the world, the physical processes driving beach recovery remain poorly understood. Using field data from a low sloping, dissipative beach in the U.S. Pacific Northwest we show that the onshore migration of intertidal sandbars contributes to beach growth in a rapidly prograding system. Over a six week period two intertidal sandbars are shown to migrate onshore resulting in the generation of a low relief berm and local beach width increases of up to 20 m. Although significant alongshore variability of intertidal morphological change was observed, a 2.5 km stretch of coast is shown to experience beach growth as a result of intertidal bar welding.","beach recovery; intertidal sandbars; sediment transport; morphodynamics; shoreline change","en","conference paper","","","","","","","","","","","","","",""
"uuid:3f30c660-5249-4e6f-90e6-9543242bdd1d","http://resolver.tudelft.nl/uuid:3f30c660-5249-4e6f-90e6-9543242bdd1d","The FITS model: An improved Learning by Design approach","van Breukelen, D.H.J. (Fontys University of Applied Sciences); Michels J, Koen (Fontys University of Applied Sciences); Schure, Frank A. (Fontys University of Applied Sciences); de Vries, M.J. (TU Delft Science Education and Communication)","","2016","This paper presents a pretest-posttest design study that compares conceptual learning gains of 237 students, divided into two groups, exposed to a modified and remodified Learning by Design (LBD) task. LBD uses design contexts to learn skills and conceptual knowledge where research around the year 2000 showed high skill performances but disappointing conceptual learning gains. By a series of exploratory studies, previous to the study discussed in this paper, this issue was addressed, which resulted in modifications that were tested on a small scale. As a result the level of concept learning increased significantly. Analysis of the modified LBD group results in this paper confirms this improvement quantitatively by comparing results with available data on a traditional LBD approach (77 students). Further modifications, resulting in a remodified LBD approach, show an even further improvement through reduced fragmentation of the learning task and addressed science. Overall, the remodified approach (FITS model: Focus - Investigation - Technological design - Synergy) enriches technology education by stimulating an empirical and conceptual way of creating design solutions what is a catalyst for interdisciplinary teaching.","Learning by Design; technology; science; concept learning; FITS model","en","journal article","","","","","","","","","","","","","",""
"uuid:8eec49bc-f3c9-40da-a044-9c543c21e3d4","http://resolver.tudelft.nl/uuid:8eec49bc-f3c9-40da-a044-9c543c21e3d4","Large variety in a panel of human colon cancer organoids in response to EZH2 inhibition","Koppens, Martijn A.J. (Netherlands Cancer Institute); Bounova, Gergana (Netherlands Cancer Institute); Cornelissen-Steijger, Paulien (Netherlands Cancer Institute); de Vries, Nienke (Netherlands Cancer Institute); Sansom, Owen J. (Beatson Institute for Cancer Research); Wessels, L.F.A. (TU Delft Pattern Recognition and Bioinformatics; Netherlands Cancer Institute; Cancer Genomics Centre Netherlands); van Lohuizen, Maarten (Netherlands Cancer Institute; Cancer Genomics Centre Netherlands)","","2016","EZH2 inhibitors have gained great interest for their use as anti-cancer therapeutics. However, most research has focused on EZH2 mutant cancers and recently adverse effects of EZH2 inactivation have come to light. To determine whether colorectal cancer cells respond to EZH2 inhibition and to explore which factors influence the degree of response, we treated a panel of 20 organoid lines derived from human colon tumors with different concentrations of the EZH2 inhibitor GSK126. The resulting responses were associated with mutation status, gene expression and responses to other drugs. We found that the response to GSK126 treatment greatly varied between organoid lines. Response associated with the mutation status of ATRX and PAX2, and correlated with BIK expression. It also correlated well with response to Nutlin-3a which inhibits MDM2-p53 interaction thereby activating p53 signaling. Sensitivity to EZH2 ablation depended on the presence of wild type p53, as tumor organoids became resistant when p53 was mutated or knocked down. Our exploratory study provides insight into which genetic factors predict sensitivity to EZH2 inhibition. In addition, we show that the response to EZH2 inhibition requires wild type p53. We conclude that a subset of colorectal cancer patients may benefit from EZH2-targeting therapies.","GSK126; colorectal cancer; organoids; polycomb; Tp53","en","journal article","","","","","","","","","","","Pattern Recognition and Bioinformatics","","",""
"uuid:9d487724-8905-4d6c-8cc1-90c2b98df52f","http://resolver.tudelft.nl/uuid:9d487724-8905-4d6c-8cc1-90c2b98df52f","De Homo Psychologicus op het Schip van Staat: Gedragskennis in bestuur en beleid","Schillemans, T; de Vries, G. (TU Delft Organisation and Governance)","","2016","","","nl","journal article","","","","","","","","2017-03-31","","","","","",""
"uuid:327047e2-4496-4bf8-8bcd-82161dc70bf8","http://resolver.tudelft.nl/uuid:327047e2-4496-4bf8-8bcd-82161dc70bf8","A process-based model for aeolian sediment transport and spatiotemporal varying sediment availability","Hoonhout, B.M. (TU Delft Coastal Engineering; Deltares); de Vries, S. (TU Delft Coastal Engineering)","","2016","Aeolian sediment transport is influenced by a variety of bed surface properties, like moisture, shells, vegetation, and nonerodible elements. The bed surface properties influence aeolian sediment transport by changing the sediment transport capacity and/or the sediment availability. The effect of bed surface properties on the transport capacity and sediment availability is typically incorporated through the velocity threshold. This approach appears to be a critical limitation in existing aeolian sediment transport models for simulation of real-world cases with spatiotemporal variations in bed surface properties. This paper presents a new model approach for multifraction aeolian sediment transport in which sediment availability is simulated rather than parameterized through the velocity threshold. The model can cope with arbitrary spatiotemporal configurations of bed surface properties that either limit or enhance the sediment availability or sediment transport capacity. The performance of the model is illustrated using four prototype cases, the simulation of two wind tunnel experiments from literature and a sensitivity analysis of newly introduced parameters.","","en","journal article","","","","","","","","","","","Coastal Engineering","","",""
"uuid:4cdcba6e-a5a3-42ae-b0c5-ef19bd0f35e5","http://resolver.tudelft.nl/uuid:4cdcba6e-a5a3-42ae-b0c5-ef19bd0f35e5","Decoupling Edge Versus Bulk Conductance in the Trivial Regime of an InAs/GaSb Double Quantum Well Using Corbino Ring Geometry","Nguyen, Binh Minh (HRL Laboratories); Kiselev, Andrey A. (HRL Laboratories); Noah, Ramsey (HRL Laboratories); Yi, Wei (HRL Laboratories); Qu, F. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Beukman, A.J.A. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); de Vries, F.K. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); van Veen, J. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Nadj-Perge, S. (TU Delft QN/Quantum Transport; TU Delft QuTech; Kavli institute of nanoscience Delft); Kouwenhoven, Leo P. (TU Delft Kouwenhoven Lab; TU Delft QuTech; Kavli institute of nanoscience Delft); Kjaergaard, Morten (University of Copenhagen); Suominen, Henri J. (University of Copenhagen); Nichele, Fabrizio (University of Copenhagen); Marcus, Charles M. (University of Copenhagen); Manfra, Michael J. (Purdue University); Sokolich, Marko (HRL Laboratories)","","2016","A Corbino ring geometry is utilized to analyze edge and bulk conductance of InAs/GaSb quantum well structures. We show that edge conductance exists in the trivial regime of this theoretically predicted topological system with a temperature-insensitive linear resistivity per unit length in the range of 2 kΩ/μm. A resistor network model of the device is developed to decouple the edge conductance from the bulk conductance, providing a quantitative technique to further investigate the nature of this trivial edge conductance, conclusively identified here as being of n type.","","en","journal article","","","","","","","","","","","","","",""
"uuid:fcd0e5b4-9d52-4ad4-9971-2c05323b6c61","http://resolver.tudelft.nl/uuid:fcd0e5b4-9d52-4ad4-9971-2c05323b6c61","How Positive Framing May Fuel Opposition to Low-Carbon Technologies: The Boomerang Model","de Vries, G. (TU Delft Organisation and Governance)","","2016","Low-carbon technologies are necessary to combat global warming. However, they are often opposed by members of the general public, causing costly delays and cancellations. In this article, I argue that language may be a relevant cause of such opposition. I introduce a theoretical model describing a boomerang effect in which positively framed communication about low-carbon technologies may actually lead to opposition in the long run. An example of positive framing is emphasising the climate benefits of a technology while neglecting to mention associated safety risks. I predict that, over time, people begin to perceive positive framing as an attempt to manipulate them into supporting a technology. In turn, this perceived manipulation may make them feel that their freedom to make their own decision to support or oppose the technology is under threat. To counter this behavioural threat, people may begin to oppose low-carbon technologies. My boomerang model further describes how certain characteristics of the source of information as well as of the recipient may influence both the direct and indirect effects of positive framing. I then discuss the model’s implications for effective communication and indicate directions for future research.","framing; public opposition; low-carbon technologies; manupilation; psychological reactance","en","journal article","","","","","","","Campus only","","","","Organisation and Governance","","",""
"uuid:0b395409-69cc-40dc-b787-49352ad1b95e","http://resolver.tudelft.nl/uuid:0b395409-69cc-40dc-b787-49352ad1b95e","Sea surface height variability in the North East Atlantic from satellite altimetry","Sterlini, Paul (Royal Netherlands Meteorological Institute); de Vries, Hylke (Royal Netherlands Meteorological Institute); Katsman, C.A. (TU Delft Environmental Fluid Mechanics)","","2016","Data from 21 years of satellite altimeter measurements are used to identify and understand the major contributing components of sea surface height variability (SSV) on monthly time-scales in the North East Atlantic. A number of SSV drivers is considered, which are categorised into two groups; local (wind and sea surface temperature) and remote (sea level pressure and the North Atlantic oscillation index). A multiple linear regression model is constructed to model the SSV for a specific target area in the North Sea basin. Cross-correlations between candidate regressors potentially lead to ambiguity in the interpretation of the results. We therefore use an objective hierarchical selection method based on variance inflation factors to select the optimal number of regressors for the target area and accept these into the regression model if they can be associated to SSV through a direct underlying physical forcing mechanism. Results show that a region of high SSV exists off the west coast of Denmark and that it can be represented well with a regression model that uses local wind, sea surface temperature and sea level pressure as primary regressors. The regression model developed here helps to understand sea level change in the North East Atlantic. The methodology is generalised and easily applied to other regions.","North East Atlantic; North Sea; Sea level change; Sea surface variability","en","journal article","","","","","","","","","","","","","",""
"uuid:e066cf29-9c5d-4d0d-8ebc-8f851c6a9379","http://resolver.tudelft.nl/uuid:e066cf29-9c5d-4d0d-8ebc-8f851c6a9379","Tussen droom en daad: Pas op voor de babbelaar!","de Vries, G. (TU Delft Organisation and Governance)","","2016","","","nl","report","Managementboek","","","","","","","","","","","","",""
"uuid:358f2682-c0c2-45aa-998f-92e9b6b7b4b4","http://resolver.tudelft.nl/uuid:358f2682-c0c2-45aa-998f-92e9b6b7b4b4","Cytochrome bd Displays Significant Quinol Peroxidase Activity","Al-Attar, S. (TU Delft BT/Biocatalysis); Yu, Y. (TU Delft BT/Analytical Biotechnology); Pinkse, M.W.H. (TU Delft BT/Analytical Biotechnology); Hoeser, Jo (Albert-Ludwigs-Universität Freiburg); Friedrich, Thorsten (Albert-Ludwigs-Universität Freiburg); Bald, Dirk (Vrije Universiteit Amsterdam); de Vries, S. (TU Delft BT/Biocatalysis)","","2016","Cytochrome bd is a prokaryotic terminal oxidase that catalyses the electrogenic reduction of oxygen to water using ubiquinol as electron donor. Cytochrome bd is a tri-haem integral membrane enzyme carrying a low-spin haem b558, and two high-spin haems: b595 and d. Here we show that besides its oxidase activity, cytochrome bd from Escherichia coli is a genuine quinol peroxidase (QPO) that reduces hydrogen peroxide to water. The highly active and pure enzyme preparation used in this study did not display the catalase activity recently reported for E. coli cytochrome bd. To our knowledge, cytochrome bd is the first membrane-bound quinol peroxidase detected in E. coli. The observation that cytochrome bd is a quinol peroxidase, can provide a biochemical basis for its role in detoxification of hydrogen peroxide and may explain the frequent findings reported in the literature that indicate increased sensitivity to hydrogen peroxide and decreased virulence in mutants that lack the enzyme.","Bacterial pathogenesis; Oxidoreductases","en","journal article","","","","","","","","","","","BT/Biocatalysis","","",""
"uuid:330214e7-7aba-4b98-8727-04f838f1657f","http://resolver.tudelft.nl/uuid:330214e7-7aba-4b98-8727-04f838f1657f","Galveston Bay Area: Land Barrier preliminary design","van Berchum, E.C. (TU Delft Hydraulic Structures and Flood Risk); de Vries, P.A.L.; de Kort, R.P.J.","","2016","The Galveston Bay Area is under significant risk from hurricane induced flooding. Ever since Hurricane Ike caused billions of damage back in 2008, the option of closing off the Galveston Bay from the Gulf of Mexico was investigated. This report, commissioned by Texas A&M University in Galveston, explores the opportunities and options for the construction of a land barrier across Galveston Island and Bolivar Peninsula. ","Land Barrier; Dike design; Texas; Houston; Galveston; Coastal Spine; Ike Dike","en","report","","","","","","","","","","","","","",""
"uuid:8c2a3b91-811f-40e1-91ca-7fd5d6e90742","http://resolver.tudelft.nl/uuid:8c2a3b91-811f-40e1-91ca-7fd5d6e90742","Coastal and riverine ecosystems as adaptive flood defenses under a changing climate","van Wesenbeeck, B.K. (TU Delft Hydraulic Structures and Flood Risk; Deltares); De Boer, W.B. (Deltares); Narayan, Siddharth (National Center for Ecological Analysis and Synthesis); van der Star, Wouter R L (Deltares); de Vries, Mindert B. (Deltares)","","2016","Adaptation planning for flood risk forms a significant part of global climate change response. Engineering responses to higher water levels can be prohibitively costly. Several recent studies emphasize the potential role of ecosystems in flood protection as adaptive risk reduction measures while also contributing to carbon fixation. Here, we use a conceptual model study to illustrate the built-in adaptive capability of ecosystems to reduce a wide range of wave heights, occurring at different water levels, to a narrower range. Our model shows that wave height of waves running through a forested section is independent of initial height or of water level. Although the underlying phenomenon of non-linear wave attenuation within coastal vegetation is well studied, implications of reducing variability in wave heights for design of ecosystem and levee combinations have not yet been properly outlined. Narrowing the range of wave heights by a vegetation field generates an adaptive levee that is robust to a whole range of external conditions rather than only to a maximum wave height. This feature can substantially reduce costs for retrofitting of levees under changing future wave climates. Thereby, in wave prone areas, inclusion of ecosystems into flood defense schemes constitutes an adaptive and safe alternative to only hard engineered flood risk measures.","Adaptive management; Climate change adaptation; Flood risk management; Levees; Mangroves; Nature-based coastal defense; Riparian forest; SWAN-VEG","en","journal article","","","","","","","","","","","Hydraulic Structures and Flood Risk","","",""
"uuid:4d7e4756-1e65-4f59-a466-18dede189b11","http://resolver.tudelft.nl/uuid:4d7e4756-1e65-4f59-a466-18dede189b11","Concept learning by direct current design challenges in secondary education","van Breukelen, D.H.J. (Fontys University of Applied Sciences); de Vries, M.J. (TU Delft Science Education and Communication); Schure, Frank A. (Fontys University of Applied Sciences)","","2016","This paper presents a mixed methods study in which 77 students and 3 teachers took part, that investigated the practice of Learning by Design (LBD). The study is part of a series of studies, funded by the Netherlands Organisation for Scientific Research, that aims to improve student learning, teaching skills and teacher training. LBD uses the context of design challenges to learn, among other things, science. Previous research showed that this approach to subject integration is quite successful but provides little profit regarding scientific concept learning. Perhaps, when the process of concept learning is better understood, LBD is a suitable method for integration. Through pre- and post-exams we measured, like others, a medium gain in the mastery of scientific concepts. Qualitative data revealed important focus-related issues that impede concept learning. As a result, mainly implicit learning of loose facts and incomplete concepts occurs. More transparency of the learning situation and a stronger focus on underlying concepts should make concept learning more explicit and coherent.","Concept learning; Electric circuits; Learning by Design; Physics; Technology","en","journal article","","","","","","","","","","","Science Education and Communication","","",""
"uuid:87d25d1d-ccdf-478f-b664-cb539da4f1d1","http://resolver.tudelft.nl/uuid:87d25d1d-ccdf-478f-b664-cb539da4f1d1","The effectiveness of a strategic reserve in the presence of a high portfolio share of renewable energy sources","Bhagwat, P.C. (TU Delft Energy & Industry); Richstein, J.C. (TU Delft Energy & Industry); Chappin, E.J.L. (TU Delft Energy & Industry); de Vries, Laurens (TU Delft Energy & Industry)","","2016","To ensure sufficient investment in electricity generation capacity, mechanisms such as strategic reserves are being considered or already implemented. We analyze the effectiveness of a strategic reserve in the presence of a growing portfolio share of renewable energy sources (RES) with EMLab-Generation, an agent-based electricity market model. A strategic reserve can stabilize investment, but within limits. Uncertainty regarding future demand may cause the market to become instable, potentially leading to periods with very high electricity prices. In the presence of a large share of variable renewable energy sources, the reserve design should be adjusted or replaced by an alternative capacity mechanism.","Agent-based modeling; Capacity mechanisms; Strategic reserve","en","journal article","","","","","","","","","","","Energy & Industry","","",""
"uuid:00dbab0b-2479-46b6-b795-309a8f290c71","http://resolver.tudelft.nl/uuid:00dbab0b-2479-46b6-b795-309a8f290c71","Tussen droom en daad: Pas op met democratie!","de Vries, G. (TU Delft Organisation and Governance)","","2016","","","nl","report","Managementboek","","","","","","","","","","","","",""
"uuid:53db5034-6f9d-4b5c-847e-04ea1d337023","http://resolver.tudelft.nl/uuid:53db5034-6f9d-4b5c-847e-04ea1d337023","De valkuil van framing in het energiedebat","de Vries, G. (TU Delft Organisation and Governance)","","2016","","","nl","report","Vereniging voor Bestuurskunde","","","","","","","","","","","","",""
"uuid:62232bab-6403-4990-aa22-91845bbc05d9","http://resolver.tudelft.nl/uuid:62232bab-6403-4990-aa22-91845bbc05d9","Auctions for Congestion Management in Distribution Grids","Philipsen, R.M. (TU Delft Algorithmics); de Weerdt, M.M. (TU Delft Algorithmics); de Vries, Laurens (TU Delft Energy & Industry)","","2016","Large controllable loads, such as electric vehicles, are increasingly penetrating electricity distribution feeders. To avoid local congestion, their consumption behaviour must be steered, for which a real-time price propagated down from the transmission system does not suffice, as it does not reflect local grid conditions. To efficiently steer the charging of EVs by multiple self-interested parties, we propose an auction framework which accounts for local grid conditions, the limited flexibility of EVs, and the uncertainty inherent to small-scale networks. We formulate the EV charging problem as a job scheduling problem for self-interested aggregators, and auction network capacityfor discrete time slots using sequentially-cleared auctions, which run in parallel. We simulate this auction on a local network using realistic data for EV driving behaviour and network capacity, showing this method leads to feasible allocations which are fairer in case one party is weaker than the other due to size or information asymmetry.","Uncertainty; Cost accounting; Automobiles; Resource management; Pricing; Electric vehicles; Production","en","conference paper","IEEE Society","978-5090-1297-8","","","","Accepted Author Manuscript","","","","","Algorithmics","","",""
"uuid:7e3c74d0-453b-4b83-89ea-149c78b8609a","http://resolver.tudelft.nl/uuid:7e3c74d0-453b-4b83-89ea-149c78b8609a","'Standards' on the bench: Do standards for technological literacy render an adequate image of technology?","Ghaemi Nia, M.M. (TU Delft Science Education and Communication); de Vries, M.J. (TU Delft Science Education and Communication)","","2016","The technological literacy of students has recently become one of the primary goals of education in countries such as the USA, England, New Zealand, Australia, and so forth. However the question here is whether these educations - their long-term policy documents as well as the standards they provide in particular - address sufficient learning about the nature of technology. This seems to be an important concern that through taking advantage of the philosophy of technology (the arena which affords a bountiful ground of various reflections on the nature of technology) is intended to be discussed throughout this study. In the first place, the paper presents a relevant framework based upon Mitcham's (1994) four-aspect account of technology, i.e., technology as objects, knowledge, activities, and volition. Then it categorizes the main relevant concepts and concerns put forward by many other philosophers of technology into this framework; this will yield a concrete model (tool) to analyze any intended standard such as the above mentioned ones. Afterwards, to show how this model works, the well-known case of the USA - Standards for Technological Literacy (ITEA, 2007) - will be used as an example for inspection; the results will disclose the points where the current American case needs to be modified.","Concepts of technology; Philosophy of technology; Standards for technological literacy; Technological literacy; The nature of technology","en","journal article","","","","","","","","","","","Science Education and Communication","","",""
"uuid:bee065eb-7b86-443d-93e0-e19f2800fa3e","http://resolver.tudelft.nl/uuid:bee065eb-7b86-443d-93e0-e19f2800fa3e","Edge transport in the trivial phase of InAs/GaSb","Nichele, Fabrizio (University of Copenhagen); Suominen, Henri J. (University of Copenhagen); Kjaergaard, Morten (University of Copenhagen); Marcus, Charles M. (University of Copenhagen); Sajadi, Ebrahim (University of British Columbia); Folk, Joshua A. (University of British Columbia); Qu, F. (TU Delft Kouwenhoven Lab); Beukman, A.J.A. (TU Delft Kouwenhoven Lab); de Vries, F.K. (TU Delft Kouwenhoven Lab); van Veen, J. (TU Delft Kouwenhoven Lab); Nadj-Perge, S. (TU Delft QN/Quantum Transport); Kouwenhoven, Leo P. (TU Delft Kouwenhoven Lab); More Authors (Extern)","","2016","We present transport and scanning SQUID measurements on InAs/GaSb double quantum wells, a system predicted to be a two-dimensional topological insulator. Top and back gates allow independent control of density and band offset, allowing tuning from the trivial to the topological regime. In the trivial regime, bulk conductivity is quenched but transport persists along the edges, superficially resembling the predicted helical edge-channels in the topological regime. We characterize edge conduction in the trivial regime in a wide variety of sample geometries and measurement configurations, as a function of temperature, magnetic field, and edge length. Despite similarities to studies claiming measurements of helical edge channels, our characterization points to a non-topological origin for these observations.","INAS/GASB; Quantum spin Hall effect; Scanning SQUID; Topological insulator","en","journal article","","","","","","","","","","","Kouwenhoven Lab","","",""
"uuid:a998f597-3cd8-4040-a704-cd44fc75b622","http://resolver.tudelft.nl/uuid:a998f597-3cd8-4040-a704-cd44fc75b622","The Predictability of a Target Signal Affects Manual Feedforward Control","Drop, F.M. (TU Delft Control & Simulation); Mulder, M. (TU Delft Control & Operations); Bülthoff, Heinrich H. (Max Planck Institute for Biological Cybernetics); de Vries, R. (Max Planck Institute for Biological Cybernetics)","","2016","In the manual control of a dynamic system, the human controller (HC) is often required to follow a visible and predictable reference path. Using the predictable aspect of a reference signal, through applying feedforward control, the HC can significantly improve performance as compared to a purely feedback control strategy. A proper definition of a signal’s predictability, however, is never given in literature. This paper investigates the predictability of a sum-of-sinusoids target signal, as a function of the number of sinusoid components and the fact whether the sinusoid frequencies are harmonic, or not. A human-in-the-loop experiment was done, with target signals varying for these two signal characteristics. A combined feedback-feedforward HC model was identified and parameters were estimated. It was found that for all experimental conditions, subjects used a feedforward strategy. Results further showed thatsubjects were able to perform better for harmonic signals as compared to non-harmonic signals, for signals with roughly the same frequency content.","cybernetics; manual control; dynamic behaviour; modeling","en","journal article","","","","","","","","","","","","","",""
"uuid:bdd6dbb4-e4fa-44ac-af60-a42c857fa8a2","http://resolver.tudelft.nl/uuid:bdd6dbb4-e4fa-44ac-af60-a42c857fa8a2","Determination of the shear strength of tropical hardwood timber","Ravenshorst, G.J.P. (TU Delft Steel & Composite Structures); Gamper, N. (ETH Zürich); van de Kuilen, J.W.G. (TU Delft Steel & Composite Structures; Technical University of Munich); de Vries, P.A. (TU Delft Steel & Composite Structures)","Eberhardsteiner, J. (editor); Winter, W. (editor); Fadai, A. (editor); Pöll, M. (editor)","2016","style=""margin: 0cm 0cm 10pt;"">The current shear strength values for high density tropical hardwoods are very low compared to the values for softwoods, according to European strength class tables. The reason for this is that standardized tests according to European standard EN 408 have not been performed yet for tropical hardwoods. In this research, tropical hardwood species massaranduba was investigated according to EN 408. The test results give a 5%-value for the shear strength of massaranduba that is twice as high as the standardized value for strength class D70. No relation was found between the density and the shear strength for massaranduba. Shear strength was proportional to the density when compared to spruce.","shear strength; tropical hardwood; massaranduba; spruce","en","conference paper","Vienna University of Technoclogy","978-3-903024-35-9","","","","","","","","","","","",""
"uuid:13db28a1-09c7-4b82-938a-9d25a2bb185f","http://resolver.tudelft.nl/uuid:13db28a1-09c7-4b82-938a-9d25a2bb185f","Met BART! Werken aan een Veilige Buurt","den Hengst-Bruggeling, M. (TU Delft System Engineering); Vriesde, Richard; Rouwenhorst, Erwin; de Vries, Arnout; van den Berg, Robert; Arnold, Hans","","2016","","","nl","report","Centrum voor criminaliteitspreventie en veiligheid","","","","","","","","","","","","",""
"uuid:6ae55246-3d47-4009-b6e9-b32978666085","http://resolver.tudelft.nl/uuid:6ae55246-3d47-4009-b6e9-b32978666085","The New Zealand Curriculum's approach to technological literacy through the lens of the philosophy of technology","Ghaemi Nia, M.M. (TU Delft Science Education and Communication); de Vries, M.J. (TU Delft Science Education and Communication)","","2016","br/>New Zealand’s curriculum, in terms of its approach to technological literacy, attempts to deliver a sound, philosophy-­based understanding of the nature of technology. The curriculum’s main authors claim that it conforms well to Mitcham’s (2014) categorization of different aspects of technology’s nature. Nevertheless, taking advantage of the existing literature of the philosophy of technology, this paper will reveal that the intended urriculum, though an admirable approach, still has a number of points needing improvement, and there are also certain gaps to be bridged in the claimed conformity. This analysis primarily makes use of the method initiated by Nia and De Vries (2016a), based upon Mitcham’s suggested framework and other philosophers’ opinions as to the nature and various features of technology","The New Zealand Curriculum; Technology Curriculum Support; philosophy of technology; technological literacy; Mitcham’s perspective; the nature of technology","en","journal article","","","","","","","","","","","","","",""
"uuid:2445ea3f-eaf0-4513-a0b6-49b21cc0bd7d","http://resolver.tudelft.nl/uuid:2445ea3f-eaf0-4513-a0b6-49b21cc0bd7d","Groundwork: Preparing an effective basis for communication and shared learning in design and technology education","Roël-Looijenga, A. (TU Delft Science Education and Communication); Klapwijk, R.M. (TU Delft Science Education and Communication); de Vries, M.J. (TU Delft Science Education and Communication)","","2016","In Dutch Design and Technology Education the beginning of a process of learning is usually determined by the teacher. In this paper it is argued that a beginning, determined in interaction with the students, is more profitable as the interaction will lead to joined-up exploring, creating and thinking and an increased motivation to learn. Furthermore, students are empowered to treat an activity as a means rather than an end. The interaction acts as groundwork in advance of the assignment.Groundwork is something that is done at an early stage and that makes later work or progress possible. Literature does however not cover the groundwork topic for children in the four-eight year age bracket. Therefore a model for the groundwork phase, consisting of five components, was designed and tested. The components are: context, communication, integration of acting and thinking, presentation of instruction and presentation of the problem. In this paper two case-studies, which handle groundwork in different ways, are described. The groundwork was in both cases addressed in group activities, aiming to prepare students to commence a process of learning. The cases show that, when used in combination, the five components appear to make groundwork successful. Careful communication gave added value. A communication link was configured between teacher and learner, between learners, and between subject and learner. Through groundwork the teacher shared both thoughts and knowledge with the students and this created a base for effective classroom communication and a common approach.","self-expression; communication; collaboration; integrated acting and thinking; instruction; context; problem-solving; designing; primary school","en","journal article","","","","","","Accepted Author Manuscript","","","","","","","",""
"uuid:c871d48b-0621-43fd-921a-c6fc11f10fc6","http://resolver.tudelft.nl/uuid:c871d48b-0621-43fd-921a-c6fc11f10fc6","Better than nature: Nicotinamide biomimetics that outperform natural coenzymes","Knaus, T (Manchester Institute of Biotechnology, Manchester); Paul, C.E. (TU Delft BT/Biocatalysis); Levy, CW (Manchester Institute of Biotechnology, Manchester); de Vries, S. (TU Delft BT/Biocatalysis); Mutti, FG (Manchester Institute of Biotechnology, Manchester); Hollmann, F. (TU Delft BT/Biocatalysis); Scrutton, NS (Manchester Institute of Biotechnology, Manchester)","","2016","The search for affordable, green biocatalytic processes is a challenge for chemicals manufacture. Redox biotransformations are potentially attractive, but they rely onunstable and expensive nicotinamide coenzymes that have prevented their widespread exploitation. Stoichiometric use of natural coenzymes is not viable economically, and the instability of these molecules hinders catalytic processes that employ coenzyme recycling. Here, we investigate the efficiency of man-made synthetic biomimetics of the natural coenzymes NAD(P)H in redox biocatalysis. Extensive studies with a range of oxidoreductases belonging to the “ene” reductase family show that these biomimetics are excellent analogues of the natural coenzymes, revealed also in crystal structures of the ene reductase XenA with selected biomimetics. In selected cases, these biomimetics outperform the natural coenzymes. “Better-than-Nature” biomimetics should find widespread application in fine and specialty chemicals production by harnessing the power of high stereo-, regio-, and chemoselective redox biocatalysts and enabling reactions under mild conditions at low cost.","","en","journal article","","","","","","Harvest","","","","","","","",""
"uuid:bcca86af-561f-4615-a9eb-d8b191a95c5d","http://resolver.tudelft.nl/uuid:bcca86af-561f-4615-a9eb-d8b191a95c5d","Dune growth due to aeolian sediment transport and the role of the beach and intertidal zone","de Vries, S. (TU Delft Coastal Engineering); Harley, Mitchell D; de Schipper, M.A. (TU Delft Coastal Engineering); Ruessink, Gerben","Wang, Ping (editor); Rosati, Julie D (editor); Cheng, Jun (editor)","2015","The development of dunes is characterized by the alternating effects of erosion during storm events and growth during milder conditions. The quantification of dune growth due to aeolian processes has received some attention but uncertainty remains on where the dune sand, which accommodates growing dunes, originates from in the coastal profile. In this paper we hypothesize that sediment eroded from the upper beach is the main sediment supply for aeolian sediment transport governing dune growth. To test this hypothesis we have analyzed morphological profiles collected monthly at three different field sites (Noordwijk, Vlugtenburg and Narrabeen) during several years. No significant erosive trend due to aeolian processes was found at the upper beach at this temporal resolution. We conclude that it is highly unlikely that the main supply for aeolian sediment transport governing dune growth was located at the upper beach. The intertidal zone might be a relevant alternative source of sediment in the cross shore profile.","BEACHES","en","conference paper","World Scientific","978-981-4689-98-4","","","","","","","","","","","",""
"uuid:4a12b201-a0f4-489b-abcc-2df2a3f5b3f1","http://resolver.tudelft.nl/uuid:4a12b201-a0f4-489b-abcc-2df2a3f5b3f1","The Influence of Spatially Varying Supply on Coastal Aeolian Transport: A Field Experiment","Hoonhout, B.M. (TU Delft Coastal Engineering); de Vries, S. (TU Delft Coastal Engineering); Cohn, N","Wang, Ping (editor); Rosati, Julie D (editor); Cheng, Jun (editor)","2015","Supply-limiting factors, like moisture content and sediment armoring,influence coastal aeolian sediment transport and subsequently dune evolutionsignificantly. We organized a 6-week field experiment on the influence ofspatiotemporal variations in supply on coastal aeolian sediment transport at theSand Motor, The Netherlands. Due to the presence of a strongly curved coastlineand complex intertidal bathymetries, a large spatial variation in supply is to beexpected at the Sand Motor, which makes the area particularly suitable for a fieldexperiment on this subject. Preliminary results show that not the largest surfacearea of sand, nor the biggest fetch or the most severe storm result in significantaeolian sediment transport events, but persistent moderate winds over largeintertidal beaches are the key to coastal aeolian transport and subsequently duneevolution.","BEACHES","en","conference paper","World Scientific","978-981-4689-98-4","","","","","","","","","","","",""
"uuid:d2040e39-39e8-4f70-8bf7-11abdce585ae","http://resolver.tudelft.nl/uuid:d2040e39-39e8-4f70-8bf7-11abdce585ae","Routekaart Energieopslag 2030: Systeemintegratie en de rol van energieopslag","Verzijlbergh, R.A. (TU Delft Energy & Industry); de Vries, Laurens (TU Delft Energy & Industry); Herder, P.M. (TU Delft Engineering, Systems and Services)","","2015","","","en","report","","","","","","","","","","","","","",""
"uuid:213a20e0-ebbf-4d19-8d58-415dd5e6c696","http://resolver.tudelft.nl/uuid:213a20e0-ebbf-4d19-8d58-415dd5e6c696","Explicit Teaching and Scaffolding to Enhance Concept Learning by Design Challenges","van Breukelen, D.H.J. (TU Delft Science Education and Communication); Smeets, M; de Vries, M.J. (TU Delft Science Education and Communication)","","2015","","","en","journal article","","","","","","","","","","","","","",""
"uuid:6d4b5581-6091-48eb-8250-ad82f41e6ef4","http://resolver.tudelft.nl/uuid:6d4b5581-6091-48eb-8250-ad82f41e6ef4","Measured gradientsin alongshore sediment transport along the Dutch coast","de Vries, S. (TU Delft Coastal Engineering); de Schipper, M.A. (TU Delft Coastal Engineering); Stive, M.J.F. (TU Delft Coastal Engineering)","Lynett, P. (editor)","2014","In this paper it is aimed to quantify bulk (surf-zone integrated) alongshore sediment transport using morphological data collected along the Dutch coast. The collected morphological data covers a domain of 18 km alongshore including the beach, the foreshore and the intertidal zone in the cross shore. The measurement domain contains the 20 million m3 Sand Engine mega-nourishment. Detailed volume changes in cross shore profiles are calculated using the collected data. Based on the calculated volume changes in the cross shore profiles, gradients in alongshore transport can be derived. In the scope of this paper we have derived alongshore transport gradients considering three periods; 1) a period of one year; 2) a period of two months with mild wave conditions; 3) a period of four months with stormy weather. Changes in the derived gradients in sediment transport for the selected periods are significant depending on alongshore location and temporally varying forcing conditions. The potential of the data-set is only explored to a limited extent so far. Additional parameters to be analyzed in the future are coastline orientation and cross shore profile gradients.","Alongshore sediment transport; Sand Engine; Topographic measurements","en","conference paper","American Society of Civil Engineers (ASCE)","978-098966112-6","","","","","","","","","","","",""
"uuid:20a2fc4c-8cff-4834-9985-16fc98a178d3","http://resolver.tudelft.nl/uuid:20a2fc4c-8cff-4834-9985-16fc98a178d3","A Modeling Approach To Analyze The Implementation Of Capacity Markets In Germany","Bhagwat, P.C. (TU Delft Energy & Industry); Iychettira, K.K. (TU Delft Energy & Industry); de Vries, Laurens (TU Delft Energy & Industry)","","2013","","","en","conference paper","","","","","","","","","","","","","",""
"uuid:7dcd190c-c156-44df-8108-e1b180400610","http://resolver.tudelft.nl/uuid:7dcd190c-c156-44df-8108-e1b180400610","Impact of nourishments on nearshore currents and swimmer safety on the Dutch coast","de Zeeuw, R.C.; de Schipper, M.A.; Roelvink, D.; de Vries, S.; Stive, M.J.F.","","2012","Assessing swimmer safety along the Dutch coast entails more than only assessing the risk of rip currents. Seven criteria have been formulated to make a comprehensive assessment of swimmer safety along the Dutch coast. These are based on interviews with lifeguards, rescue report statistics and detailed lagrangian measurements of the current patterns and bathymetry in the shallow nearshore, at three different field sites along the South-Holland coast.","swimmer safety, nourishments, longshore current, rip current, coastal structures, GPS drifters.","en","conference paper","Coastal Engineering Research Council","","","","","","","","Civil Engineering and Geosciences","Hydraulic Engineering","","","",""
"uuid:a2d8bca1-b19f-4d56-a8eb-2dc0dc8c2e91","http://resolver.tudelft.nl/uuid:a2d8bca1-b19f-4d56-a8eb-2dc0dc8c2e91","Agent-based models for policy makers","Chappin, E.J.L.; Chmieliauskas, A.; de Vries, L.J.","","2012","In order to support policy decisions, we have developed a modelling platform called AgentSpring, which facilitates the development of agent-based models in a modular and structured manner, using state-of-the-art IT development principles and tools. An attractive web-based interface allows for the interaction with policy makers. A model named d13n was developed on the topic of decarbonization of the power generation sector. For this model, relevant applications for policy makers – CO2 reduction, cross-border effects of policies, security of supply – have been identified. Each of those questions can be tackled by developing specific scenarios within the same modelling platform and with the same model core.","Agent-based modelling; energy systems; policy support","en","conference paper","University of Salzburg","","","","","","","","Technology, Policy and Management","Infrastructures, Systems and Services","","","",""
"uuid:b668e0e9-c41a-4767-8b1d-ccdca597db96","http://resolver.tudelft.nl/uuid:b668e0e9-c41a-4767-8b1d-ccdca597db96","A knowledge based platform to support informal learning in do-it-yourself retail stores","Lukosch, H.K.; de Vries, P.","","2011","This paper is about an innovative approach to informal, workplace related learning in do-ityourself retail stores. Most organizations ignore informal learning as a strategic tool, although this kind of learning dominates the workplace in many organizations. The objective of the project described here was to facilitate informal learning practices by the sales people on the work floor with an easy to use knowledge platform. The platform should be structured in line with current learning concepts, the specific target group and organizational requirements. An existing knowledge platform was upgraded in this sense to better serve the informal learning activities using a semantic approach and Microtraining, a didactical concept for structuring short learning sessions. This platform has been tested in practice in the retail stores. The outcome of the project shows that using the knowledge platform can indeed strengthen the advisory services of the employees. The semantic web as well as the Microtraining approach enhanced the usability of the platform and fostered selfdirected learning, understood as an important component of informal learning practices.","informal learning; social constructivism; microtraining; media supported learning; workplace learning","en","conference paper","SciTePress","","","","","","","","Technology, Policy and Management","Multi Actor Systems","","","",""
"uuid:cc125196-9903-4d26-a5bb-ee74b171b5b4","http://resolver.tudelft.nl/uuid:cc125196-9903-4d26-a5bb-ee74b171b5b4","Dutch house price fundamentals","Haffner, M.E.A.; de Vries, P.","","2009","This paper discusses house price developments in the Netherlands, specifically focussing on the question whether current house prices in the Dutch owner-occupied market are likely to decrease. We analyse three aspects of the question based on a literature review: (1) whether there is a house price bubble ready to burst; (2) whether house prices will decline in response to the credit crisis that started in 2007; and (3) whether it is likely that house prices will decrease as a result of reforms in the tax treatment of home owners. The outcomes of the two available Dutch models predict that even without fiscal reform (and before any effects of the global financial crisis make themselves felt) prices in the housing market will probably come under pressure in the sense that contrary to the previous decades growth of real prices will be zero. Changing the fiscal treatment of owneroccupiers would cause real house prices to decline over the next years. The timing of such measures may be considered most unfortunate now that the global credit crunch seems to be affecting the Dutch economy as well.","home ownership; house prices; mortgage interest deduction; the Netherlands","en","conference paper","University of Melbourne","","","","","","","","OTB Research Institute","","","","",""
"uuid:6e239d75-1934-45f3-ae4d-dad797cf893a","http://resolver.tudelft.nl/uuid:6e239d75-1934-45f3-ae4d-dad797cf893a","Huren en verhuren met uitzicht op Rotterdam","de Vries, P.; Boon, A.; Vettier, T.","","2009","","","nl","journal article","","","","","","","","2010-01-01","OTB Research Institute","","","","",""
"uuid:96d937ce-3c20-477a-a88a-9c55852c04fc","http://resolver.tudelft.nl/uuid:96d937ce-3c20-477a-a88a-9c55852c04fc","Prijsbewegingen op de woningmarkt","Boumeester, H.; Van der Heijden, H.; de Vries, P.","","2009","","","nl","lecture notes","Beroepsopleiding Makelaars","","","","","","","","OTB Research Institute","Housing Systems","","","",""
"uuid:a72c1e9a-86d5-4ba3-9d08-f669ceddd6b9","http://resolver.tudelft.nl/uuid:a72c1e9a-86d5-4ba3-9d08-f669ceddd6b9","Conceptual scheme matching with the ontology mapping language: Requirements and evaluation","de Vries, M.E.; Reitz, T.","","2009","","","en","conference paper","Humboldt Consortium","","","","","","","","OTB Research Institute","GIS Technology","","","",""
"uuid:b61a2365-3485-48f6-900a-05bc1c84c274","http://resolver.tudelft.nl/uuid:b61a2365-3485-48f6-900a-05bc1c84c274","Waardeontwikkeling op de woningmarkt","de Vries, P.","","2009","","","nl","lecture notes","Vereniging van Onroerend Goed Onderzoekers Nederland (VOGON)","","","","","","","","OTB Research Institute","","","","",""
"uuid:18670405-a602-44cb-9dca-ee168765964a","http://resolver.tudelft.nl/uuid:18670405-a602-44cb-9dca-ee168765964a","Zorgvastgoedmonitor 2008: De trage omslag naar strategisch vastgoedmanagement in de zorgsector","Hoepel, H; Visser, S; de Vries, JC (TU Delft Real Estate Management); van der Voordt, Theo (TU Delft Real Estate Management); van der Zwart, J. (TU Delft Real Estate Management)","","2009","","","nl","report","","","","","","","","","","","","","",""
"uuid:5b1650fa-ace3-4e3f-9678-5ae51d21a36a","http://resolver.tudelft.nl/uuid:5b1650fa-ace3-4e3f-9678-5ae51d21a36a","Impact of real estate interventions on organisational performance","de Vries, JC (TU Delft Real Estate Management); de Jonge, H. (TU Delft Real Estate Management); van der Voordt, Theo (TU Delft Real Estate Management)","","2008","Background: Real estate is increasingly used as a source of improving the performance of organisations by an improved image, cost reductions, increased employee satisfaction and increased labour productivity. A clear conceptual framework and standardised Key Performance Indicators (KPIs) are needed to understand and monitor the effects of real estate interventions.Purpose: This paper aims to explore the added value of real estate interventions to organisational performance, theoretically and empirically, including unforeseen positive and negative side-effects.Methodology: The conceptual framework was based on an extensive literature survey and empirically used in a survey among 47 Institues of Higher Professional Education (IoHPEs) in the Netherlands and additional in-depth interviews at nine Institutes. The effects of real estate interventions were studied by conducting time series analyses of changing organisational performance using several KPIs.Findings: The study has shown that real estate interventions actually improve organisational performance. However, the effects are not always as positive as expected, nor are they always clearly visible when using the present KPIs for organisational performance. In addition, some effects are temporary.Practical implications: The conceptual framework and the suggested KPIs can be used to support managers in effectively steering on organisational performance by means of real estate interventions, formulating targets in a SMART way, setting priorities with regard to their organisation’s main objectives, and monitoring the effects.Originality: The conceptual framework integrates know-how from various studies and fields and was empirically used in educational settings","Added value; corporate performance; corporate real estate; real estate interventions; KPIs","en","journal article","","","","","","Accepted Author Manuscript","","","","","Real Estate Management","","",""
"uuid:01d2a070-d657-4aa3-b008-965121a34bdd","http://resolver.tudelft.nl/uuid:01d2a070-d657-4aa3-b008-965121a34bdd","Robust control through signal constraints with application to predictive control","de Vries, R.A.J.","Verhaegen, M. (promotor)","2006","This thesis presents a novel approach to robust controller design. It describes how linear constraints can be derived on the output of an arbitrary controller, that guarantee robust bounded-input/bounded-output stability and asymptotic perfect tracking of the reference when the external signals become constant. The results are applicable to a large class of multivariable, non-linear, time-varying, perturbed processes. The constraints require minimal information about the possible perturbations; only an upper bound on their l1-norm. Still, almost all available knowledge about the perturbations can be incorporated in a transparent and optimal way. This is possible by the introduced concept of disturbance detection: all knowledge about the perturbations is used to distinguish the effect of disturbances from the effect of perturbations. The derived constraints are made unconservative by taking two things into account: the detected effect of disturbances and the difference between the measured effect of the perturbations and their maximally allowed worst case effect given the desired robust performance. The constraints incorporate anti-windup, are easy to implement and can be transparently tuned between good nominal and robust performance. For open-loop stable systems the constraints are guaranteed feasible in the presence of time-varying hard level and rate constraints on the controller output. The constraints are applied to a predictive controller, in which case they are tuned automatically depending on the settings of this controller. Several simulation studies confirmed that the developed robustness constraints and tuning rules performed well.","robust control; predictive control; non-linear control; optimal control; offset-free tracking; signal constraints; contraction constraints; linear constraints; robust stability; disturbance detection","en","doctoral thesis","","","","","","","","","Mechanical Maritime and Materials Engineering","","","","",""
"uuid:9eaaa666-bba2-4aec-b710-f7a44ed0b781","http://resolver.tudelft.nl/uuid:9eaaa666-bba2-4aec-b710-f7a44ed0b781","Corrosion Fatigue of Welded AA5083 in Seawater; Corrosievermoeiing van Gelast AA5083 in Zeewater","de Vries, S.M.","de Wit, J.H.W. (promotor); Bakker, A. (promotor)","2005","","","en","doctoral thesis","","","","","","","","","Mechanical Maritime and Materials Engineering","","","","",""
"uuid:14839ed2-7996-48ba-9aa4-e4ffe3c75681","http://resolver.tudelft.nl/uuid:14839ed2-7996-48ba-9aa4-e4ffe3c75681","Afstemming organisatie en vastgoed","de Vries, Jackie; van der Voordt, Theo (TU Delft Real Estate Management); Arkesteijn, M.H. (TU Delft Real Estate Management)","van der Voordt, Theo (editor); den Heijer, Alexandra (editor)","2004","Ondanks een groot aantal publicaties en praktijkbeschrijvingen is er nog weinig wetenschappelijk gefundeerde kennis beschikbaar over de bijdrage van vastgoed aan de prestaties van organisaties. In dit hoofdstuk wordt vanuit een theoretische invalshoek meer inzicht gegeven in deze relatie. Stap voor stap werken we het schema uit verder uit en onderbouwen we dit waar mogelijk met data uit de empirie.","","nl","book chapter","Publikatieburo Faculteit Bouwkunde TU Delft","","","","","","","","","","","","",""
"uuid:b1b4baaf-3218-42a8-9026-2d20c8b79650","http://resolver.tudelft.nl/uuid:b1b4baaf-3218-42a8-9026-2d20c8b79650","Accessing a 3D geo-DBMS using web technology","de Vries, M.E.; Stoter, J.E.","","2003","","","en","conference paper","","","","","","","","","","","","","",""
"uuid:44b669cb-0b25-49dc-b3a9-a60142916d2d","http://resolver.tudelft.nl/uuid:44b669cb-0b25-49dc-b3a9-a60142916d2d","Ontsluiting van Geo-informatie via netwerken; Plan van aanpak","de Vries, M.E.","","2002","","","nl","report","Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Geodesy, Section GIS Technology","","","","","","","","","","","","",""
"uuid:eeeb0728-e17e-4a46-9f21-282a671417f6","http://resolver.tudelft.nl/uuid:eeeb0728-e17e-4a46-9f21-282a671417f6","Cloning, Sequence Analysis, and Expression in Escherichia coli of the Gene Encoding an alpha-Amino Acid Ester Hydrolase from Acetobacter turbidans","Polderman-Tijmes, J.J.; Jekel, P.A.; de Vries, E.J.; van Merode, A.E.; Floris, R.; van der Laan, J.M.; Sonke, T.; Janssen, D.B.","","2002","","","en","journal article","American Society for Microbiology","","","","","","","","","","","","",""
"uuid:94cc8514-fee2-4623-aee3-84f57222b621","http://resolver.tudelft.nl/uuid:94cc8514-fee2-4623-aee3-84f57222b621","Grenzen verkend: Internationalisering van de ruimtelijke planning in de Benelux","de Vries, J.","Onderzoeksinstituut OTB (contributor)","2002","","internationalisering; ruimtelijke planning; Benelux","nl","book","Delft University of Technology","","","","","","","","OTB","","","","",""
"uuid:3c48c49a-fbe3-49e1-82d2-121352215a18","http://resolver.tudelft.nl/uuid:3c48c49a-fbe3-49e1-82d2-121352215a18","Topographic data, object orientation and GML","de Vries, M.; Tijssen, T.P.M.; Stoter, J.E.; Quak, W.; Van Oosterom, P.J.M.","","2001","","","en","conference paper","","","","","","","","","","","","","",""
"uuid:3141c8a3-b556-40f3-84a0-1b42a335ec1c","http://resolver.tudelft.nl/uuid:3141c8a3-b556-40f3-84a0-1b42a335ec1c","Binding of nucleotides by T4 DNA ligase and T4 RNA ligase: Optical absorbance and fluorescence studies","Cherepanov, A.V.; de Vries, S.","","2001","","","en","journal article","PubMed","","","","","","","","","","","","",""
"uuid:19bc7558-109e-48eb-b92f-2fb2b8c6bc6f","http://resolver.tudelft.nl/uuid:19bc7558-109e-48eb-b92f-2fb2b8c6bc6f","Internet GIS met ArcIMS; Een Health index case study voor de RPD","de Vries, M.E.; Verbree, E.","","2001","","","nl","report","Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Geodesy, Section GIS Technology","","","","","","","","","","","","",""
"uuid:e0dd3dc4-7f15-4697-b3b7-50762a2bbaa5","http://resolver.tudelft.nl/uuid:e0dd3dc4-7f15-4697-b3b7-50762a2bbaa5","Eco-morphodynamic processes in the Rhine-Meuse-Scheldt delta and the Dutch Wadden Sea","Tanczos, I.; de Brouwer, J.; Crosato, A.; Dankers, N.; van Duin, W.; Herman, P.M.J.; van Raaphorst, W.; Stive, M.J.F.; Talmon, A.M.; Verbeek, H.; de Vries, M.B.; van der Wegen, M.; Winterwerp, J.C.","","2001","","","en","report","Delft Cluster","","","","","","","","","","","","",""
"uuid:f766100c-2992-42fa-a3b7-93043dc84687","http://resolver.tudelft.nl/uuid:f766100c-2992-42fa-a3b7-93043dc84687","In Vivo Analysis of the Mechanisms for Oxidation of Cytosolic NADH by Saccharomyces cerevisiae Mitochondria","Overkamp, K.M.; Bakker, B.M.; Kotter, P.; van Tuijl, A.; de Vries, S.; van Dijken, J.P.; Pronk, J.T.","","2000","","","en","journal article","American Society for Microbiology","","","","","","","","","","","","",""
"uuid:9fcd8bd1-0ec4-4644-9c5f-056f66f25e07","http://resolver.tudelft.nl/uuid:9fcd8bd1-0ec4-4644-9c5f-056f66f25e07","Objectgerichtheid TOP10: Achtergrond en commentaar op de gebruikersspecificaties en het conceptuele gegevensmodel","van Oosterom, P.J.M.; Quak, C.W.; Stoter, J.E.; Tijssen, T.P.M.; de Vries, M.E.","","2000","","","nl","report","Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Geodesy, Section GIS Technology","","","","","","","","","","","","",""
"uuid:a12c61f7-3bd4-4218-8102-5011669ed811","http://resolver.tudelft.nl/uuid:a12c61f7-3bd4-4218-8102-5011669ed811","The effect of light losses in double integrating spheres on optical properties estimation","de Vries, G.; Beek, J.F.; Lucassen, G.W.; van Gemert, M.J.C.","","1999","","","en","journal article","IEEE","","","","","","","","","","","","",""
"uuid:7817f862-baad-4ae0-9cf8-163c927d171e","http://resolver.tudelft.nl/uuid:7817f862-baad-4ae0-9cf8-163c927d171e","Frequency domain identification with generalized orthonormal basis functions","de Vries, D.K.; Van den Hof, P.M.J.","","1998","","","en","journal article","IEEE","","","","","","","","","","","","",""
"uuid:e8e02536-1e3f-4f22-a099-c2602700980e","http://resolver.tudelft.nl/uuid:e8e02536-1e3f-4f22-a099-c2602700980e","On the buckling of imperfect anisotropic shells with elastic edge supports under combined loading. Part 1: Theory and numerical analysis","Arbocz, J.; de Vries, J.; Hol, J.M.A.M.","","1998","","","en","report","Delft University of Technology","","","","","","","","Aerospace Engineering","","","","",""
"uuid:7baac6cc-c797-4a89-9591-ba1bb49a1787","http://resolver.tudelft.nl/uuid:7baac6cc-c797-4a89-9591-ba1bb49a1787","Thermal undulations in salt-free charged lamellar phases: Theory versus experiment","de Vries, R.","","1997","","","en","journal article","American Physical Society","","","","","","","","","","","","",""
"uuid:244fad68-5e22-471a-b0dc-4c85b5066f9b","http://resolver.tudelft.nl/uuid:244fad68-5e22-471a-b0dc-4c85b5066f9b","Residual strength of some GLARE grades as function of specimen geometry","Holleman, E.; de Vries, T.J.","","1995","","","en","report","Delft University of Technology","","","","","","","","Aerospace Engineering","","","","",""
"uuid:528e6aa3-952a-4590-b73e-44d08ac05d19","http://resolver.tudelft.nl/uuid:528e6aa3-952a-4590-b73e-44d08ac05d19","Modelling of separation using Euler methods","Houtman, E.M.; Bakker, P.G.; de Vries, E.; van den Berg, J.C.","","1994","","Inviscid separation; Euler method; Kutta condition; vortex flow","en","report","Delft University of Technology","","","","","","","","Aerospace Engineering","","","","",""
"uuid:dff38bf6-0ca5-4f50-9c08-9421d4290703","http://resolver.tudelft.nl/uuid:dff38bf6-0ca5-4f50-9c08-9421d4290703","A novel compact threshold Cerenkov detector","Okx, W.J.C.; van Eijk, C.W.E.; de Vries, R.","","1990","","","en","journal article","IEEE","","","","","","","","","","","","",""
"uuid:896419f5-540d-46c4-a368-53f7f10aa01c","http://resolver.tudelft.nl/uuid:896419f5-540d-46c4-a368-53f7f10aa01c","Rivieren: Handleiding college f8N","de Vries, M.","","1988","","","nl","lecture notes","TU Delft, Department Hydraulic Engineering","","","","","","","","Civil Engineering and Geosciences","Hydraulic Engineering","","","",""